3. 复合句

（1） 名词性从句

主语从句及it形式主语

eg. So where we hear this debate is primarily in political circles and in the media-not in corporate board rooms or on college campuses.

What the doctor at Beth Israel has in the primary nurse is a true colleague.

But it used also to be widely believed that effective rewards， at least in the early stages， had to be directly related to such basic physiological “drives” as thirst or hunger.

宾语从句及it形式宾语

eg. We simply do not know yet how men are going to get on when they spend weeks and months outside the protection of the atmosphere， working in a space laboratory.

I think it certain that in decades， not centuries， machines of silicon will arise first to rival and then exceed their human ancestors.

表语从句

eg. The time of day when you feel most energetic is when your cycle of body temperature is at its peak.

The first time that the question “What is at the bottom of the oceans？” had to be answered with any commercial consequence was when the laying of a telegraph cable from Europe to America was proposed.

同位语从句

eg. At the early attempts， the cable failed and when it was taken out for repairs it was found to be covered in living growths， a fact which defied contemporary scientific opinion that there was no life in the deeper parts of the sea.

The way people hold to the belief that a fun-filled， pain free life equals happiness actually reduces their chances of ever attaining real happiness.

（2） 定语从句

that引导

eg. People will be alert and receptive if they are faced with information that gets them to think about things they are interested in.

If teacher and learner roles are not interchangeable， what then can be done through teaching that will aid the child in the quest for knowledge？

疑问词引导

eg. In the 1840s， Maury had been responsible for encouraging voyages during which soundings were taken to investigate the depths of North Atlantic and Pacific Oceans.

The problem then arises as to the point at which one can say that these imitations can be considered as speech.

同时出现that和疑问词的句子

eg. A reporter who has visited plants throughout Europe has an impression that the pace of work is much slower here.

Then she writes a care plan centered on the patients illness but which also includes everything else that is necessary.

（3） 状语从句

eg. Much family quarrelling ends when husbands and wives realize what these energy cycles mean， and which cycle each member of the family has.（时间）

But in actual practice this system breaks down in many ways， because the organism and the environment are constantly interacting so that the environment is modified by the organism and vice versa.（原因）

A breakthrough in the provision of energy from the sun for the European Economic Community could be brought forward by up to two decades， if a modest increase could be provided in the EEC‘s research effort in this field， according to the senior EEC scientists engaged in experiments in solar energy at EEC’s scientific laboratories at Ispra， near Milan.（条件）

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