词性答案

Fill in the blanks in its proper form (词性变化):

1.Nothing is much ___more precious___ (precious) than life.

2.You shouldn’t get __impatient____ (patience) as you are a teacher.

3.Emma looks ___puzzled___(puzzle) when she hears the news.

4.The factory has fixed all the ____equipment___ (equip).

5.He is good at ___chemistry____(chemical).

6.Our ___products____(product) are believed to be the top ones.

7.He was told to ___explain__(explanation) his mistake in public.

8.He has bought a new __electric___(electricity) lamp.

9.She couldn’t tell us a reasonable ___explanation___(explain).

10.You will see some ___chemical___(chemist) changes in the tube soon.

11.This water treatment plant __produces___(product) clean water every day.

12.___Unluckily__, (luck) we missed the train.

13.Trees are our best pollution __fighters_____(fight).

14.There are so many trees around the house that it’s nearly __invisible__

(invisible)

15.Jenny behaves quite __politely___(polite). We like her very much.

16.This magazine is published ___monthly_ (month).

17.Carbon monoxide is an ___invisible____(visible) gas.

18.It is __impolite__(polite) of you to serve yourself without asking.

19.Pay special care to __electrical_____(electric) appliances in the kitchen.

20.He is using an ___electronic__(electricity) calculator now.

21.The machine was very __powerful___(power), but it’s also rather expensive.

22.Could you find out the __explanations_____(explain) of these English

words？

23.Sea water is not __drinkable_____(drink).

24.Teachers ask us to have more ___patience_____(patient) in learning languages.

25.It is fun to skate on __frozen___(freeze) rivers in __freezing___

weather.(freeze)

26.We cleaned the classroom __thoroughly_____(thorough).

27.The water ___treatment____(treat) plant produces clean water.

28.The rice ___cookers_____(cook) help make rice easily.

29.If you wait for an hour for the taxis, you may get __impatient___(patience).

30.The bedroom needs a thorough ___cleaning___(clean).

31.Hong Kong is one of the _enjoyable___(enjoy) __cities___(city) in China.

32.Trees produce oxygen to keep us __alive___.(lively)

33.What did the two men ____fight____(fighter) about just now?

34.Eating too much sweets is ___harmful__(harm) to your teeth.

35.The child is ___lively___(live) as well as healthy.

36.Mary works so ___hard____(hard) that she is the top student.

37.Body language is a good way of __communication____(communicate).

38.There are no __living_____(live) things on the moon.

39.The chemistry teacher shows us some ___chemicals___(chemical) in the class.

40.I prefer this film because it is ___more interesting_____(interesting) than that

one.