问题
单项选择题
有关辅助生育技术的描述，正确的是（）。
A.体外授精是将受精卵放置体外培养的技术
B.人工授精是采用药物使妇女受孕的方法
C.人工授精是将精液注入女性生殖道使其受孕的一种技术
D.试管婴儿是将卵子放入试管内培养后再移植机体内的过程
E.配子宫腔内移植是指将受精卵注入宫腔的技术
答案
参考答案：C
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有关辅助生育技术的描述，正确的是（）。
A.体外授精是将受精卵放置体外培养的技术
B.人工授精是采用药物使妇女受孕的方法
C.人工授精是将精液注入女性生殖道使其受孕的一种技术
D.试管婴儿是将卵子放入试管内培养后再移植机体内的过程
E.配子宫腔内移植是指将受精卵注入宫腔的技术
参考答案：C
Nowadays, studying abroad gains popularity in China. Many rich parents would rather send their children abroad to receive education than let them be educated in China. As every coin has two sides, studying abroad is not an exception. There are advantages for people to attend school abroad. In the first place, he can use the foreign language in his daily life so that his ability in the second language may be greatly improved, as it is obvious that there is no better chance to improve second-language than living in the country where it is spoken. While studying in a foreign country, he will most likely meet many others from overseas and it is possible to make friends from all over the world. This is not only exciting on the social level, but could lead to important overseas contacts in his career as well. He can get familiar with the latest knowledge in science and make use of the first-rate facilities (设备) available. In this way, there is every chance that he is able to widen his horizon (眼界) and broaden his mind. Of course, attending schools abroad may bring about a series of problems. The most serious problem is language barrier (障碍). Most of the students who go abroad don’t have enough skills in the language spoken there. As a result, on arriving there, they will find it difficult to understand what the teachers say. Besides, for lack of knowledge of the customs of the local people, they may constantly run into trouble in dealing with various situations. Therefore, given an opportunity to attend a school abroad, one must consider both sides of the factors carefully before making up his mind.
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