-Will you go to the dinner party tonight?-I won’t go unless Sue ．A. will be invitedB. can be invitedC. invitedD. is invited D [解析] 主句中用了一般将来时.unless引导的条件状语从句用一般现在时代替一般将来时,Sue是动作的承受者.要用被动语态题目和参考答案——青夏教育精英家教网—

题目内容

（题文）—Will you go to the dinner party tonight？

—I won’t go unless Sue________．

A. will be invited

B. can be invited

C. invited

D. is invited

D 【解析】主句中用了一般将来时，unless引导的条件状语从句用一般现在时代替一般将来时；Sue是动作的承受者，要用被动语态。

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(2017·上海·30)The headmaster introduced ______ to the German visitors before the welcome party.

A. we B. us C. our D. ours

B 【解析】试题句意：在欢迎会开始前校长把我们介绍给了德国游客。Introduce介绍，是及物动词，后接名词或代词作它的宾语。当接人称代词时，代词为宾格。A.we我们，主格代词；B. us我们，宾格代词；C. our我们的，物主代词（形容词性）；D. ours我们的（名词性）。故选B。

Teenagers are known for being creative and full of new ideas. Let’s have a look at these teenage inventions that might change the world.

Banana leaves usually go bad in two or three days. Tenith Adithyaa, a teenager from India, used UV to make the leaves stay fresh for a year. Tenith thinks that one day the leaves will be used for making plates, cups and other things.

David Cohen, an American teenager, built an earthworm(蚯蚓) robot. It is able to go into the smallest places, where humans or dogs can’t go. It will be used for finding people in a fire or an earthquake.

Remya Jose, a 14-year-old from India, found it tiring and boring to handwash clothes in the nearby river. She reused some bicycle parts and created a washing machine that saves time, energy and keeps people fit at the same time.

Kenneth Shinozuku, a 15-year-old from New York, noticed that his grandfather who got Alzheimer＇s disease（老年痴呆） would often leave home and get lost. So he invented the wearable sensors(感应器)to help people find their family members like his grandfather.

1.What is the passage mainly about?

A. Popular ads

B. Useful machines

C. Strange pictures.

D. Teenage inventions

2.The earthworm robot by David Cohen can ______.

A. make things stay fresh

B. help people wash clothes

C. go into the smallest places

D. take care of the old people

3.Which of the following is TRUE

A. Plates and cups are made of fresh banana leaves.

B. Remya's washing machine can also keep people fit.

C. David Cohen is a middle school student from India.

D. Kenneth's wearable sensors will keep old people at home.

1.D 2.C 3.B 【解析】短文展示了青少年的4项发明创造。如何使树叶保鲜；蚯蚓机器人；自行车部件改装的洗衣机；可穿戴的传感器。 1.主旨大意题。根据表格前面的句子“Let’s have a look at these teenage inventions that might change the world.” 让我们来看看这些可能改变世界的青少年的发明。可知短文展...

If you are given only 1yuan, could you live in a city for one day? It seems this may be a little

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On April 10, more than 60 students from a middle

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four others, including Beijing, in May.

To make money, many students looked for part-time

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he said. After being a waiter for an hour, he got 25 yuan.

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people who walked by took notice and helped them. Zhao Jiacheng,14, drew pictures and made

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Living was hard, but finishing the tasks wasn't any easier. They went to different places to

finish tasks in a short time. The most amazing one was when they had to exchange things worth

thousands of yuan with only a piece of paper in half an hour. "We learned how to explain to others. From a balloon to a cake to a bottle of yogurt... after almost 20 tries, we succeed,” he said. They

will give all the money they made to poor schools in Tibet.

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A. be given enough money B. complete some easy tasks

C. live and finish difficult tasks D. give away their pocket money (零用钱）

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3.What did the students leant from (his activity?

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c. It was important to learn a special skill.

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