题目内容

The representatives stand for the principle _______ every citizen has a say in their country’s future.

A. whether B. that C. what D. how

B

【解析】

试题分析:考查定语从句。A.在定语从句中一般意为是否;B .在定语从句中仅作连词使用,无实际意义;C.在定语从句中一般意为‘什么,什么的’,可充当两种成分;D.在定语从句中一般意为‘多少,怎么样,多么’。前后两个句子都不缺成分,所以所填词仅用作连词。句意:众议院象征着在他们国家的未来每个公民都有言论权的原则。故选B

考点:考查定语从句

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When it comes to problem solving, many of us have heard of the skills of the crow (乌鸦) in Aesop’s Fables (《伊索寓言》).

In the story, a thirsty crow comes across a bottle of water, but the water level (水平面) is out of its reach. The bird then drops small stones into it until the water level rises enough for the bird to drink.

“Oh, it’s just a fable,” you may think. After all, it’s hard to imagine birds knowing about “problem solving”.

But new research has found that crows’ brains may sometimes be better than those of 6-year-old children.

In a recent experiment, US scientist Corina Logan and her team caught six crows to test them. There were two tubes (试管) of water, one wide and the other narrow (窄的). Each crow was given four stones, enough to help them get the water in the narrow tube, but not the wide one.

Surprisingly, the crows dropped all or most of the stones into the narrower tube and got the food reward! They had found out the cause-and-effect relationship.Using such brains, crows are making their lives easier. For example, some crows in cities have learned to use road traffic for breaking nuts, National Geographic News reported.

But how are their wits (智力) compared to humans’? Logan’s team did another experiment, this time on both crows and children.

Here, the crows and children had to choose between two sets of tubes.

With the red set, when they dropped a stone into a wide tube, the water level raised in a connected narrow tube that contained food.

The blue set of tubes, however, had no connection between them. So dropping a stone in the wide tube did not cause the water level to rise in the narrow tube.

Children aged 7 to 10 were able to learn the rule. Children aged 4 to 6, however, failed.

Five of the six crows failed the test. But Kitty, a 6-month-old crow, passed it. She put all or most of the stones into the red tube.

So, could a bird be more clever than a kindergartner? Don’t be too quick to say no.

1.Why is Aesop’s Fables mentioned in the beginning of the article?

A. To introduce the idea that crows are smart.

B. To show that fables about crows are wrong.

C. To explain why crows can solve problems.

D. To prove that crows can be better than babies at problem solving.

2.What have Logan’s team found out from their recent experiments?

A. Crows prefer to get their food reward from wider tubes.

B. Crows are able to understand or learn cause and effect relationships.

C. Crows can easily recognize the tubes with a food reward inside.

D. Some crows even make use of road traffic to help them break nuts.

3.What can we learn from the experiment on crows and children?

A. Five of the six crows threw stones into the red tube.

B. Children aged 6 did better than children aged 4.

C. One crow passed the test while the younger children didn’t.

D. Some crows proved to be more clever than children aged 10.

Tests can be stressful even for the most prepared students,and,unfortunately,test anxiety can actually have a negative impact on your performance.(Just having that knowledge adds to the stress,doesn’t it?)Well,the following tips can help you get through your next test with much greater ease—and likely more success!

Get Enough Sleep

Getting 6 hours of less can put you into what’s called a sleep deficit,or lack of sufficient sleep,which can actually make you less sharp mentally and thus negatively affect your performance on tests,even if you spent those missed hours of sleep studying.So it’s very important for you to get all of your studying done so you can get a good night of sleep before your big day.

Study Smarter

Being organized with your studies can help you keep from pulling all-nighters to get all of your studying in and blowing the test because you’re exhausted.How do you study ‘smarter’? Make a list of the most important things you need to learn,in order of importance,and hit the items at the top of the list first.That way,if you run out of time,you’re mostly covered.Make a list of all the work you have to do,estimate how much time each item will take,and compare that with the amount of hours you have available;this will tell you if you can carefully read or just skim,how many times you can afford to revise papers,and other ways to pace yourself so you can get everything done.If you’re pressed for time,it’s important to learn to let go of being perfect.Oh,and turn off the TV as much as possible until your tests are behind you.

Visualize(想象)Success

Before you fall asleep each night,it is a great way to visualize yourself taking the tests and doing wonderfully.Detailed visualizations can help you feel like you’re really experiencing something,and visualizing yourself doing well is a way to ‘practice’ success in a way that can actually help you perform better and feel confident.Being confident as you take your exams can keep you from choking because of the stress.Visualizations can also help you to remember facts: you can create detailed scenarios that involve the information you’re trying to remember,and this can help cement the facts in your memory.

Stay Calm

Because stress can impair your memory,it’s important to stay calm before and during tests.While that’s easier said than done,there are several stress relief techniques that can help you calm down quickly whenever you feel overwhelmed.For example,breathing exercise has been shown by research to reduce test anxiety,and can be extremely effective in helping you relax and reverse your stress response in a variety of situations: just take deep breaths,expanding your belly on the inhale,and let the stress come out with your exhales.

1.According to the passage,which of the following about sleep is true?

A.Sleep has nothing to do with test anxiety.

B.Less sleep can actually save you more time to study.

C.Lack of enough sleep can make you slower in mind.

D.Less than 6 hours of sleep will lead to your failure in tests.

2.To study smarter,you’d better ______.

A.finish the most important things first

B.stay up to prepare for the coming exams

C.try to be perfect in every part of your study

D.divide your available time equally among all work

3.According to the passage,which part can help build up your confidence?

A.Get Enough Sleep B.Study Smarter

C.Visualize Success D.Stay Calm

4.The passage is written to ______.

A.encourage students to face test anxiety bravely

B.provide students with ways to get over test anxiety

C.describe bad effects test anxiety can have on students

D.tell students how to overcome test anxiety during exams

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