According to a recent survey, homework is_______ students most often blame for their lack of sleep.
A. what B. that
C. where D. why
Teachers suggest that parents_______ their children under 12 to ride bicycles to school for safety.
A. not allow B. do not allow
C. mustn’t allow D. couldn’t allow
When you finish reading this book, you will have_______ better understanding of_______ life.
A. a; the B. the ; a
C. /; the D. a ; /
假定你是李华，请给你的笔友Martin写一封电子邮件，介绍音乐的魅力所在，并说明你喜欢的两种音乐类型及其原因。
音乐的魅力 | 1.心情愉悦，减轻压力，给人以鼓舞。 |
2.抚慰心灵，了解国外文化。 | |
喜欢的音乐 | 1.流行音乐：旋律优美。 |
2.传统音乐：使人安静，领悟生活的真谛。 |
注意：1.词数100左右；
2.为使行文连贯，可适当增加内容；
3.参考词汇：tune 曲调。
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文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。
删除：多余的词用斜线（\）划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
注意：1.每处错误及其修改均仅限一词；
2.只允许修改10处，多者（从第11处起）不计分。
In the summer holiday，we travelled to Qingdao and paid visit to my uncle there. It's a long and bored journey. But the moment I arrived, I fall in love with the city. It's such beautiful a city that I can hardly find any word to describe it. The streets are cleaning and the sky is blue. If you walk along the coast，you can feel the wind to blowing on your face. The sea is vast and sometimes you can find a boat or a ship. You may also do some fishing as far as it is permitted. Moreover，I think the driver there drive too fast in the street. You should be careless when crossing the street.
Through a series of experiments, an American scientist has gained an understanding of the social structure of ant societies. The ants 1. (examine) by scientists are the only creatures other than man to have given up hunting and collecting for a completely agricultural way of life. In their underground nests they plant gardens on soils made from finely cut leaves. This is a complex 2. (operate) requiring considerable division of labor. The workers of this type of ant can 3. (divide) into four groups according to size. 4. of the groups performs a particular set of jobs.
The making and care of the garden and the nursing of the young ants are done by the smallest workers. Slightly larger workers are responsible 5.cutting leaves to make them suitable for use in the gardens and for cleaning the nest. 6. third group of still larger ants do the construction work and collect fresh leaves from outside the nest. The 7. (large) are the soldier ants, whose duty is to defend the nest.
8. (find) out how good the various size groups are at different tasks, the scientist measured the amount of work done by the ants against the amount of energy they used. He examined first the gathering and carrying of leaves. He selected one of the size groups and then measured 9.efficiently these ants could find leaves and run back to the nest. Then he repeated the experiment for each of the other size groups. 10.this way he could see whether any group could do the job more efficiently than the group normally undertaking it.
