much.So，don't worry about whether he is coming.

　　答案：一、1.We　2.To see　3.Raising pigs　4.What he wants　5.to learn English　6.The news　7.that we go to help him　8.they

　　归纳：代词、动词不定式、动名词、句子和名词

　　二、1,4,5

　　三、A：What_you_need_now is a doctor.You must see a doctor before dark.

　　B：Well，whether_he_is_coming_or_not is a problem.

　　A：Why do you think so?

　　B："An apple a day keeps a doctor away." And I've eaten 13 apples today.

　　A：Really？But it is said that_Doctor_Smith_is_not_afraid_of_apples，which he likes very much.So，don't worry about whether he is coming.

　　1．As a result of this event，a great dust cloud formed in the sky blocking out the sunlight.

　　正因为这一事件，天空中形成了一团巨大的尘云，挡住了阳光。

　　剖析：现在分词短语blocking out the sunlight在句子中作结果状语。

　　They worked day and night，finishing the work ahead of time.

　　他们日夜工作，结果提前完成了工作。

　　考点：词组block out的含义是"挡住，遮住(光线和声音)；忘掉，抹去(不愉快的事)"。如：

　　The volcanic ash blocked out the sun.

　　火山灰挡住了太阳。

　　An ugly building blocked out the view from the window.

　　一座难看的大楼把窗外的景物遮住了。

　　I try to block out the unpleasant experience.

　　我尽力去忘记那段不愉快的经历。

　　block off封锁，封闭

　　Various barricades block off all the main streets of the city.

　　各种路障封锁住了城里所有的主要道路。

　　block up阻塞，塞住，封住(孔，洞)

　　The traffic is very heavy and has begun to block up the streets.

　　交通量很大，已经开始把街道阻塞了。

　　My nose is blocked up with the cold.

　　由于感冒，我的鼻子不通气。

　　block one's way挡住某人的路

　　We found that a big elephant blocked our way.

　　我们发现一头大象挡住了去路。

　　单项填空

1)(2011·陕西卷)More highways have been built in China，______it much easier for people to