单选题The question I am going to raise today is in __ __ with yesterday s discussion.
单选题
胡同
胡同，是北京特有的一种古老的城市小巷，在世界上是独一无二的。北京胡同已有800多年的历史，纵横交错于皇城周围。胡同不仅是城市的交通脉络，更是百姓生活的场所。作为北京历史和文化发展的舞台，它见证了历史的变迁(vicissitudes)和风貌，留下了许多社会生活的印记，保留了原汁原味的(authentic)老北京民俗风情。要想真正了解胡同，体味胡同，最好的办法就是亲自去走走、看看。那些古老的胡同，犹如滋味醇厚的佳肴，应当细细咀嚼、慢慢品味。
单选题______ on time according to the instruction, these pills will be quite effective.
单选题Without air, the candle will______.
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单选题______ problems you have, ask Harry here to help you. He knows everything.
单选题After the guests left, she spent as much time as she could ______ the room. A. tidy up B. to clear away C. clear away D. tidying up
单选题Nowadays, the {{U}}prescribed{{/U}} roles of the man as "breadwinner" and the woman as housewife are changing.
单选题-- May I stop here? -- No, you ______.
单选题I noticed his eyes ______ , because they were very large
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单选题Peasants had lost many of their relatives and friends, and had reaped an ironic comfort harvest of ______land.
单选题The little girl is ignorant ______ the basic rules of English grammar.
单选题The plant is dead. I ______ it more water.
单选题—I think you should phone Jenny and say sorry to her.
—______. It was her fault.
单选题______ with the picture, Mary hid it in the closet. A. Thoroughly dissatisfying B. Being thoroughly dissatisfied C. To be thoroughly dissatisfied D. Having thoroughly dissatisfied
单选题The U.S. government places rigid restrictions ______ the type of high-technology products that can be exported to China. A. for B. in C. to D. on
单选题This street is usually quiet, but it will get very busy _______Sunday mornings.
单选题The thought ______ he might be a scientist some day encouraged him to study hard. A. whether B. that C. how D. why
单选题 Which of the following sentences expresses a recurrent action?