题目内容
he will return to his native land.
| A．It is long before that | B．It is before long that |
| C．It won’t be long before | D．It will be long before that |
B
解析试题分析：考查强调句型。本题强调的是时间状语before long不久以后；句意：不就以后他就会回到他的祖国了。强调句型的基本结构为It is/was被强调成分that/who其它成分；其最大的特点就是去掉it is/was…that/who…句子仍然成立。要注意强调句型能强调除谓语动词以为的所有的句子成分。在考查的时候，经常会把强调句型和定语从句结合在一起考查，要注意分析句子的成分。故B正确。
考点：考查强调句型
点评：首先，要知道强调句的结构It is/was+被强调部分+that+句子的其他成分，如果被强调的部分是人，可以用who代替that。具体是用is还是 was，要根据具体的时态确定。强调句的用法及判断，一般说来，如果把句子中的It is/was…that去掉，稍加调整语序，能还原成完整的句子，并且句子意思依然完整，则为强调句型，否则为其他从句。我们应熟记这些基本规则。
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What will man be like in the future? We can only make a guess, but we can be sure that he will be different from what he is today.
In the modern world we use our brains a great deal. Even so, we still make use of only about 20% of the brain’s capacity. As time goes on, however, we shall have to use our brains more and more, and eventually we shall need larger ones! This is likely to bring about a physical change too the head, in particular the forehead, will grow larger.
Nowadays our eyes are in constant use. In fact, we use them so much that very often they become weak and we have to wear glasses. But over a very long period it is likely that man’s eyes will grow stronger.
On the other hand, we tend to make less use of our arms and legs. These, as a result, are likely to grow weaker. At the same time, however, our fingers will grow more sensitive because they are used a great deal in modern life.
But what about hair? It will probably disappear from the body altogether in the course of time because it does not serve a useful purpose any longer. In the future, both sexes are likely to be bald（秃的）.
Perhaps all these give the impression that future man will not be attractive creature to look at! This may well be true. All the same, future man will still have a lot in common with us. He will still be a human being, with thoughts and emotions similar to our own.
Title: Man in the future
| Brain | We’re using twenty percent of our brains at present. With the increasing use in the future, our brains may eventually become ____. | |
| Head | The head, particularly the forehead will enlarge. | |
| Eyes | Though our eyes are becoming weaker nowadays, they are likely to grow stronger over a long ______. | |
| Arms and legs | Our arms and legs will grow weaker, ______from the less use of them. | |
| Fingers | Fingers will become more sensitive due to the constant use. | |
| Hair | Hair will probably _______from the body. It is possible that both males and females are bald in the future. | |
| Future man may look ______, but he will still have thoughts and emotions similar to ours. | ||
lives.