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【简答题】
Passage 15 When couples get married, they usually plan to have children. Sometimes however, a couple cannot have a child of their own. In this case, they may decide to adopt a child. In fact, adoption is very common today. There are about 60,000 adoptions each year in the United States alone. Some people 1) _____ adopt infant. Others adopt older children. Some couples adopt children from their own countries. Others adopt chidren from foreign countries. In any case, they all adopt children for the same reason: they 2) _____ children and want to give their adopted child a happy life. Most adopted children know that they are adopted. 3) _____ and childcare experts generally think this is a good idea. However, many adopted children or adoptees have very little information about their 4) _____ parents. As a matter of fact, it is often very difficult for adoptees to find out about their birth parents, because the birth records of most adoptees are usually 5) _____. The information is secret, so not one can see it. Naturally, adopted children have 6) _____ feelings about their birth parents. Many adoptees want to search for them, but others do not. The 7) _____ to search for birth parents is a difficult one to make. Most adoptees have 8) _____ feelings about finding their biological parents. Even though adoptees do not know about their natural parents, they do know that their 9) _____ parents want them, love them and will 10) _____ them.
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举一反三
【单选题】发芽马铃薯使人体中毒的有毒成分是
A.
秋水仙碱
B.
皂素
C.
龙葵素
D.
毒蝇碱
【多选题】单晶体金属塑性变形的方式
A.
滑移
B.
孪生
【单选题】手腕撑地时,产生的力约有( )通过腕部传到前臂而位于腕骨外侧和桡骨。
A.
60%
B.
80%
C.
40%
D.
20%
E.
10%
【简答题】单晶体的塑性变形,主要以__________的方式进行。
【简答题】单晶体塑性变形方式包括滑移和 [填空(1)]A. 孪晶
【单选题】常见的 IV 型超敏反应的疾病不包括
A.
结核菌素反应
B.
过敏性休克
C.
肝移植排斥反应
D.
肾移植排斥反应
E.
接触性皮炎
【单选题】临床常见的IV型超敏反应是:
A.
青霉素过敏
B.
感染性迟发型超敏反应
C.
血清病
D.
链球菌感染后肾小球肾炎
E.
新生儿溶血症
【多选题】临床常见的IV型超敏反应有()
A.
移植排斥反应
B.
肾小球肾炎
C.
传染性超敏反应
D.
接触性皮炎
E.
过敏性休克
【简答题】与单晶体的塑性变形相比较,多晶体的塑性变形有何特点?
【简答题】单晶体的塑性变形有两种基本方式,即______和______。