但是那时拉锁并没有被广泛应用.But . the zipper wasn't used widely. 题目和参考答案——青夏教育精英家教网—

题目内容

4. 但是那时拉锁并没有被广泛应用。

But ________ ________ ________ ， the zipper wasn't used widely.

4. at that time

练习册系列答案

相关题目

Umbrellas are common in our daily life. On rainy days, many people hold them to prevent the 1 But it's not easy to hold an umbrella if there is heavy rain and 2 wind. And it's harder to make a phone call or ride a bike 3 an umbrella in the hand. An American man named Alan Kaufman and his company 4 6 years inventing a hand-free umbrella. 5 ， they made it.

They called it Nubrella. Just touch a button, and the Nubrella will open 6 With the help of its "shoulder support", the umbrella can rest on the user's 7 ， so the user needn't hold the umbrella any more. He can walk with hands 8 even in the strong wind.

The hand-free umbrella is $ 59.94 each. People all around the world like it very much. Because of this smart 9 ， they can use their phones to talk and send short messages in the rain now. 10 in the rain under a Nubrella is really cool, isn't it?

1. A. snow B. rain C. sun D. wind

2. A. tall B. short C. strong D. big

3. A. by B. without C. with D. at

4. A. spent B. took C. paid D. cost

5. A. At first B. At last C. At most D. Firstly

6. A. easily B. hardly C. nearly D. carefully

7. A. feet B. legs C. shoulders D. arms

8. A. free B. busy C. difficult D. important

9. A. invention B. magazine C. book D. invent

10 A. Lying B. Flying C. Walking D. Walk

②学习英语时不要怕出错。

Don't be afraid to __________ __________ ________ learning English.

3. The cookie tastes ____________ (well). Can I have another one?

5. It is________ that they have discussed this problem.

A. believe B. believed

C. believe in D. believing

1. Stamps are used___________ (post) letters.

3. The lock is used___________ locking the door.

A. as B. for C. to D. by

5. The shoes with special ______________ (heel) were invented by Jayce Coziar and Jamie Ellsworth.

5. 钢笔是用来写字的。

Pens are__________ ________ writing.

试题分类