以下是引用linling在2004-7-20 20:10:00的发言: 1.A television camera produces an image by convening ____receives into a series of bright and dark dots. (a)and it (c)what it 答案:C
这里明显缺名词成分。what引导名词行从句。A使convene缺少一个宾语
2.Areas of fertile soil called deltas,usually _____are formed by mud deposited at the mouth of a river. (A)triangular in shape (D)triangular shape 答案:A~~~我是選D
形状上要加 in shape
3.<Addressing>themes that were <unique> American,the poet Walt Whitman <celebrated> the lives of <ordinary people>. 答案:B~~~要成改什麼
American这里指美国的,是个adj.所以用副词uniquely修饰
4.<Due to>persistent inbreeding,self-pollinating plants <have> genetically more uniform than cross-pollinated,<which>harbor more genetic <variability> 答案:B 謝謝,,
这里B.应该改为are .have后面要加宾语的。
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