The boy ______ a piece of waste paper, a_爱下问搜题

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问题选择题

The boy ______ a piece of waste paper, and put it into the rubbish bag.

A．picked up

B．threw away

C．looked for

D．handed in

答案

答案：A

题目分析：句意：这个小孩捡起一张废纸扔进了垃圾袋。所给选项中A是捡起来；B是扔掉；C是寻找；D是上交，根据题意此题选A。

完形填空

Music and Behavior
Where did you go yesterday? Did you hear 1 at any of those places? Today most stores and restaurants play music. You might 2 hear music in an office or on a farm.
Scientists believe that music changes the 3 people behave. According to some scientists, the sound of western classical music makes people 4 richer. When a restaurant plays classical music, people spend 5 money on food and drinks. When the restaurant plays 6 music, people spend less money. With 7 music, people spend even less.
Scientists also 8 that loud , fast music makes people eat faster. In fact, people 9 their food faster when the music gets faster. Some restaurants play fast music during their 10 hours. This gets people to eat faster and leave more quickly. In this way, restaurants 11 make more money.
Some scientists think that music makes you think and learn better. They say 12 music helps students to be more active. It is true that people earn better when they are 13 . And listening to music can help you relax.
The 14 time you hear music somewhere, be 15 . It might change the way you do things.

单项选择题

在市场抽样调查方法中，( )是群体间差异愈小，群体内差异愈大时，抽样统计精度愈高。

A．系统抽样法

B．分段抽样法

C．简单随机抽样法

D．群体抽样法