1 . 过去的算盘常有一道横梁把算珠分隔为上下两部分，上半部分每档有两个算珠（每珠代表5)，下半部分每档有五个算珠（每珠代表1)。这种算盘至今仍在中国使用。（汉译英）

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2 . 正是我的同学李蕾，正在国外受到文化差异的困扰。
_______that _______by the cultural shock at the moment abroad.

3 . 现在帐篷和纯净水正从我国的四面八方运往地震灾区。
Tents and purified water _________ _________ _________ to the earthquake-stricken areas now from every corner of our country.

4 . Even young boys are now________ into the army.
就连很小的男孩子都被征召入伍了。

5 . 有采取什么措施去帮助它们吗?
What measures ________ ________ ________ ________help them?

6 . 目前由Jackman主演的两则Lipton广告正在巴西拍摄，即将在三月全球推广。(launch) (汉译英)

7 . A comprehensive study of 4,500 children conducted by the National Institutes of Health in 2018 shows that children who spent more than seven hours a day staring at screens showed evidence of premature thinning of their brain’s cortex—the outer layer that processes sensory information. “We don’t know if it ______ (cause) by the screen time. ”(所给词的适当形式填空)

8 . 单句改错
1. I would come sooner but I didn’t know that they were waiting for me.
2. There is so much noise upstairs—a party is held by some young people.
3. More than $10 million had spent carrying out the project by the end of last year.
4. They made up their mind that they will buy a new house once Larry changed jobs.
5. A special committee of scientists will established to study AI’s effects on economy in the years ahead.
6. Had I known about that useful computer program, I will have saved a huge amount of time and energy.
7. The old couple have married for more man 40 years and never once have they quarreled with each other.
8. A communicative satellite weighs as much as 3.5 tons was sent up into space last week.
9. Shakespeare’s play Hamlet has made into at least ten different films over the past years.
10. The number of deaths from heart disease will be reduced greatly if people persuaded to eat more fruit and vegetables.

9 . 单句改错
1. So they are not producing carbon dioxide and not causing air pollution. Just see how cars have been taken over our cities.
2. They kept very much to themselves. In my opinion, whenever in trouble, we should seek help from those we trust most.
3. A new cinema is built here. They hope to finish it next month.
4. Every day he makes sure that fresh vegetables and high quality oil are using for cooking.
5. Large quantities of money have spent in searching for a cure for this terrible disease so far.
6. I read half of the English novel, and I’ll try to finish it at the weekend.
7. I wonder if it will snow tomorrow. If it snow tomorrow, I will go skiing.
8. As we all know, the Olympic Games held every four years.
9. You are always surf the net! Why not finish your homework first?
10. This is the first time I visited your hometown, so I know little about it.

10 . 我姐姐正在接受心脏病的治疗。
My sister ________ ________ ________ ________ a heart condition.