The ______ of constructing a village on the moon lies in the fact that it will help humans to explore the solar system further.
A. intelligence B. convenience
C. significance D. independence
The drug ______ children came under strong attack from ______ professional observers who were deeply ______ its widespread use among kids.
A. concerning; concerned; concerned with
B. concerning; concerned; concerned about
C. concerned; concerning; concerned about
D. concerned; concerning; concerned with
______excited Jenny most was ______ she finally succeeded in ______seemed to be the most difficult exam to him.
A. 'That; that; which B. What; that; what
C. That; because; that D. What; because; which
Mr. Smith is supposed to attend the meeting in place of the manager, who has ______ a bad cold.
A. come down with B. come up with
C. come down to D. come up against
Robots can be reprogrammed by a computer to do another one after completing one specific task, and this is ______ automatic machines differ.
A. because B. what
C. where D. how
为迎接世界图书日，我校将举办一场英语演讲比赛活动。假设你是学校的播音员，请你用英文写一篇广播稿，内容要点如下：
1. 活动时间和地点：4月23日（周二）下午2点，学校操场；
2. 活动主题：Reading and Progress；
3. 由外教Mr. Smith担任评委，赛后他将和大家交流如何培养阅读习惯；
4. 邀请师生观赛。
注意：1. 100词左右，开头已为你写好，不计入总词数；
2. 广播稿应包括以上要点，可适当增加细节，以使行文连贯。
参考词汇：世界图书日World Book Day 评委judge
Dear teachers and schoolmates,
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