【推荐1】分析下列句子结构（A并列句；B简单句；C主从复合句；D并列主从复合句）
1. The workers were not better organized, otherwise they would have accomplished the task in half the time.(        )
2. The professor warned the students that on no account should they use mobile phones in his class.(        )
3. Most colleges now offer first-year students a course specially designed to help them succeed academically and personally.(        )
4. Kate heard a man's voice in the background, but she couldn't make out what he was saying. (        )
5. We can observe that artificial intelligence has already made an impact on our lives in many ways.(        )
6. I had hoped to send Peter a gift to congratulate him on his marriage, but I couldn't manage it. (        )
7. A city is the product of the human hand and mind, reflecting man's intelligence and creativity.(        )
8. Jack wasn't saying anything, but the teacher smiled at him as if he had done something very clever.(        )
9. To show our respect, we usually have to take our gloves off whoever we are to shake hands with.(        )
10. One reason for her preference for city life is that she can have easy access to places like shops and restaurants.(        )

【推荐2】Complete the passage using noun clauses with words in brackets.

There are many mysteries about dinosaurs to which we long to find explanations. You may think that dinosaurs were big, green and scaly, right? In fact, it seems that they appeared very different from     1     (think).

In recent years, scientists have worked out     2     (look): many of them were small with feathers. However,     3     (have)feathers still isn’t clear-it might have been for communicating or for staying warm, but not just for flight.

Scientists also believe that many dinosaurs had bright colours. It seems     4     (depend on)their habitats. That is, dinosaurs which could fly would have had different colours to those living in the sea.

【推荐3】画出下列各句中的名词性从句，并判断其从句类型。
1. The problem is how we should carry out the plan.
2. It is not clear to me whether she likes the present.
3. That light travels faster than sound is known to us all.
4. The question is whether your uncle will offer help to us.
5. My suggestion is that we should play football after school.
6. Mr. Norman regrets that he didn’t travel more in his youth.
7. Whoever sent us this letter should have signed his or her name.
8. Why don’t you bring it to his attention that you’re too ill to go on?
9. What happened on June 30, 1973 will never be forgotten in our town.
10. Whether they will go for an outing with us tomorrow remains unknown.
11. The reason why he was late was that he missed the bus by one minute this morning.
12. Bruce did not watch the game last night. That was because he had to help his little sister with her homework.

【推荐2】汉译英

In our daily life,    1    (我们过去认为绿色环保的事情) has been shown to be only half true or even completely false.    2    (人们认为纸袋比塑料袋更环保)．In fact，both kinds of bags are bad for the environment. You are wrong to think     3    (当你关上一个设备时) it will stop using power. So you should unplug it when you leave home. What’s more,     4    (食物的生产消耗的能量更多) rather than transport of food. Which is better to the environment to take a shower or a bath？    5    (那要取决于你淋浴多长时间) and how large your bath is.

【推荐3】Complete the passage using noun clauses with words in brackets.

There are many mysteries about dinosaurs to which we long to find explanations. You may think that dinosaurs were big, green and scaly, right? In fact, it seems that they appeared very different from     1     (think).

In recent years, scientists have worked out     2     (look): many of them were small with feathers. However,     3     (have)feathers still isn’t clear-it might have been for communicating or for staying warm, but not just for flight.

Scientists also believe that many dinosaurs had bright colours. It seems     4     (depend on)their habitats. That is, dinosaurs which could fly would have had different colours to those living in the sea.