[首发]河南省漯河市第四高级中学2016-2017学年高二下学期期末考试英语试题

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[首发]河南省漯河市第四高级中学2016-2017学年高二下学期

期末考试英语试题

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第I 卷（选择题）

一、阅读理解（题型注释）

George Aldrich, whose official title is chemical specialist, works at NASA’s White Sands Test Facility in New Mexico. He uses his nose to protect astronauts from unpleasant or harmful odors (气味). His near four-decade career has involved smelling objects from technical handbooks to astronauts’ personal things.

It’s crucial that all items taken aboard the International Space Station (ISS) are odorless. Since astronauts are allowed to bring personal items aboard, all their objects must be smell-checked before leaving Earth. In a video provided by Science Channel, Aldrich relates on specific occasion when an astronaut wanted to build a ship in a bottle in space. Everything in the ship-building process had to be sniffed — right down to the glue.

Aldrich and his team are responsible for making sure that objects are not only odorless but also harmless to astronauts. When the ISS heats up, a process called off-gassing occurs, which means chemicals flow out from certain substances (物质). Objects that would be safe on Earth could give off unpleasant odors or become dangerous when exposed to high temperatures in the

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ISS’s unique environment.

Of course, humans aren’t the only testers or the first to be exposed to potentially dangerous objects. Before Aldrich sticks his nose into a substance, it has been examined by machines. Even though machines can detect unsafe substances, computers cannot tell exactly how things smell to humans. While something could be technically fine, it could be smelly to an astronaut. Aldrich’s no se is not alone there. He is the head of a hard-sniffing team of smell testers. Together they smell each object and rate it on a scale (等级) of 1 to 4. According to NASA, I cannot be detected, and 4 is considered not bearable. After the scientists conclude their tests, the scores are averaged. If an item is rated more than 2.4 on the scale, it fails the test and is not allowed on the flight.

1、Which can describe the smell check from Paragraph 2?

A ．Quite dangerous.

B ．Extremely strict.

C ．Rather boring.

D ．Very complex. 2、What is a threat to astronauts’ safety at the ISS?

A ．Negative emotions.

B ．Odor-related disease.

C ．The off-gassing process.

D ．Changes in temperature. 3、What should be done before Aldrich and his team start their work? A ．Using machines to test objects. B ．Having a meeting to make the scale. C ．Using computers to examine their noses. D ．Listing potentially dangerous substances. 4、What is the text mainly about?

A ．An unusual smell tester.

B ．Astronauts’ life at the ISS.

C ．Strong odors in a spaceship.

D ．The smell of personal items.

One of America’s best -known artist colonies, the MacDowell Colony, will turn 110 next year. It is a place where artists of all types can sweep away distractions (令人分心的事物) and just create.

MacDowell’s operations are funded by foundations, corporations and individuals. Writers, composers, photographers, filmmakers and sculptors — both famous and unknown —compete for the 32 free studios at the place. Once accepted, an artist can stay for as little as a couple of