2017年杭州师范大学考研试题723综合英语
杭州师范大学硕士研究生入学考试命题纸
杭州师范大学
2017年招收攻读硕士研究生入学考试题
考试科目代码：723
考试科目名称：综合英语
说明：考生答题时一律写在答题纸上，否则漏批责任自负。
I.Cloze（每小题1分，共30分）
Directions:Fill in the blanks with proper words(The first letter is given).
At the age of twelve years,the human body is at its most vigorous.It has yet to reach its full size and strength,and its owner his or her(1)f______intelligence;but at this age the likelihood of death is(2)l______.Earlier,we were infants and young children,and consequently(3)m______vulnerable;later,we shall undergo a progressive(4)l______of our vigour and resistance which,though imperceptible at first,will finally become so steep(5)t______we can live no longer,however well we look after ourselves,and however(6)w______society,and our doctors,(7)l______ after us.This decline in vigour with the passing of time is called ageing.It is one of the (8)m______unpleasant discoveries which we all make that we must decline in this way,that if we escape wars,accidents and disease we shall eventually‘(9)d_____of old age’,and that this happens at a rate which differs little(10)f______person to person,so that there are heavy odds in favour of our(11)d______between the ages of sixty-five and eighty.Some of us will die sooner,a few will live longer--on into a ninth or tenth decade.But the chances are against it,and there is a virtual limit on how (12)l______we can hope to remain(13)a______,however lucky and robust we are.
Normal people tend(14)t_____forget this process unless and until they are reminded(15)o____it.We are so familiar(16)w______the fact that man ages,that people have for years assumed that the process of losing vigour with(17)t______,of 2017年考试科目代码723考试科目名称综合英语（本考试科目共18页，第1页）
2017年考研数学二真题解析
2017年全国硕士研究生入学统一考试数学二试题解析 一、选择题：1～8小题，每小题4分，共32分，下列每小题给出的四个选项中，只有一项符合题目要求的，请将所选项前的字母填在答题纸．．． 指定位置上. （1） ）若函数0(),0x f x b x >=?≤? 在0x =处连续，则（ ） (A)12 ab = (B)12 ab =- (C)0ab = (D)2ab = 【答案】A 【解析】00112lim lim ,()2x x x f x ax a ++→→==Q 在0x =处连续11.22b ab a ∴=?=选A. （2）设二阶可导函数()f x 满足(1)(1)1,(0)1f f f =-==-且'' ()0f x >，则（ ） ()()1 1 110 1 1 1 10()()0 ()0()()()()()A f x dx B f x dx C f x dx f x dx D f x dx f x dx ----><>
2017考研英语一真题与答案解析
2017年考研英语一真题原文及答案解析完整版 2017年全国硕士研究生入学统一考试英语（一） Section I Use of English Directions: Read the following text. Choose the best word (s) for each numbered blank and mark A, B, C or D on the ANSWER SHEET. (10 points) Could a hug a day keep the doctor away? The answer may be a resounding “yes!” 1 helping you feel close and 2 to people you care about, it turns out that hugs can bring a 3 of health benefits to your body and mind. Believe it or not, a warm embrace might even help you 4 getting sick this winter. In a recent study 5 over 400 health adults, researchers from Carnegie Mellon University in Pennsylvania examined the effects of perceived social support and the receipt of hugs 6 the participants’ susceptibility to developing the common cold after being 7 to the virus .People who perceived greater social support were less likely to come 8 with a cold ,and the researchers 9 that the stress-reducing effects of hugging 10 about 32 percent of that beneficial effect. 11 among those who got a cold, the ones who felt greater social support and received more frequent hugs had less severe 12 . “Hugging protects people who are under stress from the 13 risk for colds that’s usually 14 with stress,” notes Sheld on Cohen, a professor of psychology at Carnegie. Hugging “is a
2020年考研英语一真题及答案解析
2020年研究生入学统一考试试题（英语一） Section I Use of English Directions： Read the following text. Choose the best word (s) for each numbered blank and mark A, B, C or D on the ANSWER SHEET. (10 points) Even if families are less likely to sit down to eat together than was once the case, millions of Britons will none the less have partaken this weekend of one of the nation's great traditions: the Sunday roast. __1__ a cold winter's day, few culinary pleasures can __2__it. Yet as we report now, the food police are determined that this __3__ should be rendered yet another guilty pleasure __4__ to damage our health. The Food Standards Authority (FSA) has __5__ a public warning about the risks of a compound called acrylamide that forms in some foods cooked __6__ high temperatures.This means that people should __7__ crisping their roast potatoes, spurn thin-crust pizzas and only __8__ toast their bread. But where is the evidence to support such alarmist advice? __9__ studies have shown that acrylamide can cause neurological damage in mice, there is no __10__ evidence that it causes cancer in humans. Scientists say the compound is "__11__ to be carcinogenic" but have no hard scientific proof. __12__ the precautionary principle, it could be argued that it is __13__ to follow the FSA advice. __14__, it was rumored that smoking caused cancer for years before the evidence was found to prove a __15__. Doubtless a piece of boiled beef can always be __16__ up on Sunday alongside some steamed vegetables,without the Yorkshire pudding and no wine. But would life be worth living? __17__, the FSA says it is not telling people to cut out roast foods __18__, but to reduce their lifetime intake. However, their __19__ risks coming across as exhortation and nannying. Constant health scares just __20__ with no one listening. 1. A In B Towards C On D Till 2. A match B express C satisfy D influence 3. A patience B enjoyment C surprise D concern 4. A intensified B privileged C compelled D guaranteed 5. A issued B received C ignored D canceled 6. A under B at C for D by 7. A forget B regret C finish D avoid 8. A partially B regularly C easily D initially 9. A Unless B Since C If D While 10. A secondary B external C inconclusive D negative 11. A insufficient B bound C likely D slow 12. A On the basis of B At the cost of C In addition to D In contrast to 13. A interesting B advisable C urgent D fortunate 14. A As usual B In particular C By definition D After all 15. A resemblance B combination C connection D pattern 16. A made B served C saved D used 17. A To be fair B For instance C To be brief D in general 18. A reluctantly B entirely C gradually D carefully 19. A promise B experience C campaign D competition 20. A follow up B pick up C open up D end up 解析：
2016-2017年考研数学二真题及答案
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2013-2014杭州师范大学力学题库
003/03/03/0030 3杭州师范大学理学院２０１３《力学》试题汇编 错误匀速率一、选择题（每题１分，２０分） １、刚体角动量守恒的充分而必要的条件是（ ）。 （Ａ）刚体不受外力矩的作用 （Ｂ）刚体所受合外力矩为零 （Ｃ）刚体所受的合外力和合外力矩均为零 （Ｄ）刚体的转动惯量和角速度均保持不变 ２、下列说法中的是（ ）。 （Ａ）牛顿第二定律只适用与惯性系。自然界中，惯性系只有一个 （Ｂ）只有保守力才有相应的势能，势能是体系所共有的 （Ｃ）在北半球，我们往往会看到河道的右边比左边要冲刷的厉害，这与地球自转产生的科里奥利效应密切相关 （Ｄ）刚体作平面平行运动时，可以看成和基点的平动以及绕过基点垂直平面轴的转动，基点的选取是任意的 ３、下列说法中正确的是（ ）。 （Ａ）保守力做的功等于势能的减小 （Ｂ）牛顿第二定律既适用与惯性系也适用与非惯性系（Ｃ）内力可以改变刚体的动能 （Ｄ）合外力对体系不做功，体系的机械能一定守恒４、一质点做圆周运动时，有（ ）。（Ａ）切向加速度大小改变，法向加速度大小改变（Ｂ）切向加速度大小改变，法向加速度大小不变（Ｃ）切向加速度大小不变，法向加速度大小改变（Ｄ）切向加速度大小不变，法向加速度大小不变 ５、花样滑冰运动员绕通过自身的竖直轴转动，开始时两臂伸开，转动惯量为，角速度为 ，然后两臂收回，使其转动惯量变为，则其旋转的角速度为（ ）。 （Ａ） （Ｂ） （Ｃ） （Ｄ）６、对于一个体系来说，在下列的哪种情况下系统的机械能守恒？（ ）。（Ａ）合外力为０ （Ｂ）外力和非保守内力都不作功 I I w w w w w
2020.08.92 /9.42 /8.92/45.22 /7.142/212 1 2 1 211000/10/340/29/30/31/324.016.01.02 /10（Ｃ）合外力不作功（Ｄ）外力和保守内力都不作功 ７、下列说法中错误的是（ ）。 （Ａ）位移共振频率一般来说等于振动系统的固有频率 （Ｂ）牛顿第二定律只适用与惯性系 （Ｃ）内力可以改变体系的动能，但不可以改变体系的动量 （Ｄ）质点系的转动惯量与质点系的质量分布以及转轴所在的位置有关 ８、如图所示，质量为，半径为的均匀滑轮，可绕光滑的水平轴转动的转动，轮子上绕有轻绳，若有一恒力拉绳子的一端，使得轮子由静止开始转动，忽略轴承与滑轮的摩擦，则滑轮转动的角加速度为（ ）。（Ａ） （Ｂ）（Ｃ） （Ｄ）９、一个质点作简谐振动，振幅为，在起始时刻质点的位移为，且向轴的正方向运动，代表此简谐振动的旋转矢量图为（ ）。 （Ａ） （Ｂ） （Ｃ） （Ｄ） １０、两个观察者Ａ和Ｂ携带频率为Ｈｚ的声源。如果Ａ静止，而Ｂ以的速率向Ａ运动，若声速为，那么Ａ听到的拍频是（ ）。（Ａ） （Ｂ） （Ｃ） （Ｄ）１１、关于质点的速度和加速度，下列说法的是（ ）。（Ａ）质点具有恒定的速度，但仍可能具有变化的速率（Ｂ）质点具有恒定的速率，但仍可能具有变化的速度（Ｃ）质点加速度方向恒定，但速度方向仍可能在不断变化（Ｄ）质点速度方向恒定，但加速度方向仍可能在不断变化 １２、质量为的小球从高塔上自由落下后时，质量为的小球从同一点自由落 下。求第二个小球释放后时，这两球质点系的质心速度大小（ ）。（取） kg M m R N F s rad s rad s rad s rad A A x x o A x A A A o o o A x x x A x A x A x s m s m s s s s kg s kg s s m g ===???=v v v v w w w w 错误
2017年考研数学二试题及详解
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因此选择D. （3）反常函数①1 21x e dx x -∞?，②1 201x e dx x +∞?的敛散性为（ ）. A. ①收敛，②收敛 B. ①收敛，②发散 C. ①发散，②收敛 D. ①发散，②发散 【答案】B 【解析】①11 11 02011[lim lim ](01)1x x x x x x e dx e d e e x x --∞-∞→∞→=-=--=--=??收敛。 ② 1 1 1 110 20 00 11 [lim lim ]x x x x x x x e dx e d e e e x x + ∞ +∞+∞→∞ →=-=-=--=+∞? ?发散。 所以，选B. （4）设函数()f x 在(,)-∞+∞内连续，其导函数的图形如图所示，则（ ）. A. 函数()f x 有2个极值点，曲线()y f x =有2个拐点 B. 函数()f x 有2个极值点，曲线()y f x =有3个拐点 C. 函数()f x 有3个极值点，曲线()y f x =有1个拐点 D. 函数()f x 有3个极值点，曲线()y f x =有2个拐点 【答案】B 【解析】根据图像可知导数为零的点有3个，但是最右边的点左右两侧导数均为正值，因此不是极值点，故有2个极值点，而拐点是一阶导数的极值点或者是不可导点，在这个图像上，一阶导数的极值点有2个，不可导点有1个，因此有3个拐点 .
2017年考研英语一真题-高清版含答案
2017年考研英语一真题-高清版含答案 Section I Use of English Directions: Read the following text.Choose the best word(s)for each numbered blank and mark A,B,C or D on the ANSWER SHEET.(10points) Could a hug a day keep the doctor away?The answer may be a resounding “yes!”1helping you feel close and2to people you care about,it turns out that hugs can bring a3of health benefits to your body and mind. Believe it or not,a warm embrace might even help you4getting sick this winter. In a recent study5over400healthy adults,researchers from Carnegie Mellon University in Pennsylvania examined the effects of perceived social support and the receipt of hugs6the participants’susceptibility to developing the common cold after being7to the virus.People who perceived greater social support were less likely to come8with a cold,and the researchers9that the stress-reducing effects of hugging10about 32percent of that beneficial effect.11among those who got a cold,the ones who felt greater social support and received more frequent hugs had less severe 12. “Hugging protects people who are under stress from the13risk for colds that’s usually14with stress,”notes Sheldon Cohen,a professor of psychology at Carnegie.Hugging“is a marker of intimacy and helps15the feeling that others are there to help16difficulty.” Some experts17the stress-reducing,health-related benefits of hugging to the release of oxytocin,often called“the bonding hormone”18it promotes attachment in relationships,including that between mothers and their newborn babies.Oxytocin is made primarily in the central lower part of the brain, and some of it is released into the bloodstream.But some of it19in the brain,where it20mood,behavior and physiology.
杭州师范大学题库：高等数学A卷(期末样卷)
一、填空（共20分，每空格4分） 1．设(sin )1cos2f x x =+，则()f x =222x -； 2．函数()f x 在点0x 可导（可微）是()f x 在点0x 连续的 充分 条件（充分、必要、充分必要）； 3．设函数()y f x =在区间I 内二阶可导，如果()f x '' >0 ，曲线()y f x =在I 内是凹的； 4．设2x e 是()f x 的一个原函数，则 (sin )cos f x xdx ?=?2sin x e C +； 5 ． 0=? 1 。 二、单项选择题（共20分，每小题4分） 1. arcsin arccos x x += ( C ) A.2π B. π C. 2 π D. 0 2．由2,12t x y t ==-确定的方程，二阶导数22d y dx = ( C ) A. 1 t B. 21t C. 31t D. 41t 3．函数()2f x x =+在点0x =处 ( A ) A. 连续但不可导 B. 连续且可导 C. 不连续故不可导 D. 具有连续的导数 4. 设()f x 在[],a b 上连续,且()()0f a f b <,则至少存在一点(,)a b ξ∈使( A )成立 A. ()0f ξ= B. '()0f ξ= C. ''()0f ξ= D. ()()'()()f b f a f b a ξ-=- 5. 已知? ??≥<=,1,ln ,1,e )(x x x x f x 则()x f 在1=x 处的导数（ D ）. A. 等于0 B. 等于1 C. 等于e D. 不存在 三、计算题（共48分，每题8分）
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2021考研英语一真题试卷及答案(完整版)
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who got a cold, the ones who felt greater social support and Cohen, a professor of psychology at Carnegie. Hugging "is a benefits of hugging to the release of oxytocin, often called "the relationships, including that between mother and their newborn babies. Oxytocin is made primarily in the central lower part of the brain , and some of it is released into the bloodstream. But physiology. 1.[A] Unlike [B] Besides [C] Despite [D] Throughout 【答案】[B] Besides 2.[A] connected [B] restricted [C] equal [D] inferior 【答案】[A] connected
杭州师范大学综合英语考研真题试题2020、2019年
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