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【单选题】
下列有关基因的叙述，不正确的是（）
A.
基因可以准确的复制
B.
基因能够存储遗传信息
C.
基因是4种碱基对的随机排列
D.
基因是有遗传效应的脱氧核苷酸序列
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【简答题】完形填空 After my 21 second graders finished reciting the text, they settled back in their seats.But Duane remained_ 1 _.Duane was a bright and lovable student, _ 2 _his mother, a single parent, had many ...
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【单选题】根据下列文章,请回答 21～25 题。 Text 1 The Internet raises major issues and challenges for education, not just in China but all over the world. Yet it simply cannot be ignored in terms of the opportunities and re...
A.
The Internet provides us with perfect educational information.
B.
The Internet provides us with limitless resources.
C.
We can obtain the latest information from foreign countries through the Internet.
D.
The information on the Internet is no longer available only for a few people.
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【简答题】TEXT B16--21 第16题：
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【单选题】外力去除后不能恢复的变形称为（）。
A.
弹性变形
B.
塑性变形
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【判断题】蛋白质合成方向为N→C端,核酸合成方向为5′→3′端。( )
A.
正确
B.
错误
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【单选题】根据下列文章,请回答 21～25 题。 Text 1 An embarrassing experience It was the small hours of the morning when we reached London Airport. I had cabled London from Amsterdam, and there was a hired car to meet, but t...
A.
In the early morning.
B.
Late at night.
C.
At noon.
D.
Late in the morning
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【判断题】蛋白质合成方向为C端→N端。
A.
正确
B.
错误
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【简答题】根据下面材料，回答第 21～25 题： 第 21 题 According to the text, the emerging industry which can promote human brains refers to（ ）
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【简答题】C The world record for fastest text message typing is held by a 21-year-old college student from Utah, but his flexible fingers could mean serious injury later on. Most s aged 18-21 prefer textin...
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【单选题】The best title for the text may be
A.
We Can Live Longer in the 21st Century.
B.
Cancer Can Be Conquered Soon.
C.
The Final Frontier of the 21st Century.
D.
Scientific Breakthroughs of the 21st Century.
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【简答题】完形填空 After my 21 second graders finished reciting the text, they settled back in their seats.But Duane remained_ 1 _.Duane was a bright and lovable student, _ 2 _his mother, a single parent, had many ...
查看完整题目与答案
【单选题】根据下列文章,请回答 21～25 题。 Text 1 The Internet raises major issues and challenges for education, not just in China but all over the world. Yet it simply cannot be ignored in terms of the opportunities and re...
A.
The Internet provides us with perfect educational information.
B.
The Internet provides us with limitless resources.
C.
We can obtain the latest information from foreign countries through the Internet.
D.
The information on the Internet is no longer available only for a few people.
查看完整题目与答案
【简答题】TEXT B16--21 第16题：
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【单选题】外力去除后不能恢复的变形称为（）。
A.
弹性变形
B.
塑性变形
查看完整题目与答案
【判断题】蛋白质合成方向为N→C端,核酸合成方向为5′→3′端。( )
A.
正确
B.
错误
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【单选题】根据下列文章,请回答 21～25 题。 Text 1 An embarrassing experience It was the small hours of the morning when we reached London Airport. I had cabled London from Amsterdam, and there was a hired car to meet, but t...
A.
In the early morning.
B.
Late at night.
C.
At noon.
D.
Late in the morning
查看完整题目与答案
【判断题】蛋白质合成方向为C端→N端。
A.
正确
B.
错误
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【简答题】根据下面材料，回答第 21～25 题： 第 21 题 According to the text, the emerging industry which can promote human brains refers to（ ）
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【简答题】C The world record for fastest text message typing is held by a 21-year-old college student from Utah, but his flexible fingers could mean serious injury later on. Most s aged 18-21 prefer textin...
查看完整题目与答案
【单选题】The best title for the text may be
A.
We Can Live Longer in the 21st Century.
B.
Cancer Can Be Conquered Soon.
C.
The Final Frontier of the 21st Century.
D.
Scientific Breakthroughs of the 21st Century.
查看完整题目与答案