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【多选题】
CRISPR-Cas 技术由于其（ ）和（ ），被誉为“基因编辑魔剪”。
A.
便捷性
B.
不可控性
C.
高效性
D.
其他
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【简答题】根据对话内容，用方框中所给词的适当形式填空。(其中有一词多余) follow, bad, first, sports, easy, walk, child, kind What's the coolest kind of transportation (交通工具 ) for middle school students back from the winter holidays? A racing...
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【单选题】下列地形图上表示的要素中,属于地物的是。( )
A.
平原
B.
丘陵
C.
山地
D.
河流
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【判断题】朝鲜战争爆发初期，美军将领麦克阿瑟认为中国会出兵朝鲜。()
A.
正确
B.
错误
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【简答题】完成短文 Changsha is now its effort to become a national civilized city. As students, what should we do? We must respect our teachers and ____1___ (礼貌待人)others. We should also help those who are ...
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【单选题】病人,男,39岁。行胆囊切除、胆总管切开取石、工T管引流术。T管引流日的不安的是
A.
有利于胆汁引流
B.
防止胆汁渗漏
C.
促进炎症消退
D.
防止胆道狭窄
E.
有利于腹壁伤口愈合
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【判断题】麦克阿瑟将军没有参与朝鲜战争。()
A.
正确
B.
错误
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【简答题】I stood there outside of the classroom  with the other students，waiting for the supervisor（监考老师）to open the door，and 1 filled the heart. When we were finally inside the classroom，I realized how 2 it w...
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【简答题】听独白，回答问题。 1. How can the students become clear about their own plans? A. Understand what they should do. B. Get to know their classmates. C. Walk around their school freely. 2. What is the most import...
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【简答题】Students walk around the lake, some in couples and some in threes.
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【简答题】阅读理解. Many students in the USA always take the school bus to school every day. Parents think taking the school bus is very safe(安全的). But sometimes it is also erous. Some students died(死亡) because...
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【简答题】根据对话内容，用方框中所给词的适当形式填空。(其中有一词多余) follow, bad, first, sports, easy, walk, child, kind What's the coolest kind of transportation (交通工具 ) for middle school students back from the winter holidays? A racing...
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【单选题】下列地形图上表示的要素中,属于地物的是。( )
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【简答题】完成短文 Changsha is now its effort to become a national civilized city. As students, what should we do? We must respect our teachers and ____1___ (礼貌待人)others. We should also help those who are ...
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【单选题】病人,男,39岁。行胆囊切除、胆总管切开取石、工T管引流术。T管引流日的不安的是
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【简答题】Students walk around the lake, some in couples and some in threes.
查看完整题目与答案
【简答题】阅读理解. Many students in the USA always take the school bus to school every day. Parents think taking the school bus is very safe(安全的). But sometimes it is also erous. Some students died(死亡) because...
查看完整题目与答案