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皮皮学刷刷变学霸
举一反三
【单选题】哪种结构是细菌蛋白质合成场所,成为红霉素等抗生素的作用部位( )
A.
细胞壁
B.
细胞膜
C.
肽聚糖
D.
核糖体
E.
核质
查看完整题目与答案
【简答题】阅读理解。 Whose house is this? It's Dawson's new house in the village of Belmont. It's a little village near a big city. There are two small lakes in Belmont, and the family live near one of them. They li...
查看完整题目与答案
【单选题】当用自攻螺钉安装板材时，板材的接缝处，必须安装宽度不小于（）mm的次龙骨上。
A.
20
B.
10
C.
40
D.
50
查看完整题目与答案
【单选题】当用自攻螺钉安装板材时，板材的接缝处必须安装在宽度不小于( )mm的次龙骨上。
A.
20
B.
10
C.
40
D.
50
查看完整题目与答案
【单选题】Dawson was dissatisfied with soft iron pitons because ______.
A.
they were too soft to bear the climber's weight
B.
they were the only pitons he could afford to buy
C.
they coul not last long
D.
they were made of iron
查看完整题目与答案
【单选题】当用自攻螺钉安装板材时，板材的接缝处，必须安装宽度不小( )mm的次龙骨上。
A.
20
B.
10
C.
40
D.
50
查看完整题目与答案
【单选题】Dawson’s example shows that a businessstarts_________．
A.
when you have climbed somemountains
B.
after you have climbedsome muntains
C.
with the knowledge of what is needed
D.
with a moment of sudden realization of inspiration
查看完整题目与答案
【简答题】完形填空。 Mr. Dawson was an old grouch (脾气坏的人), and everyone in town knew it. 1 knew not to go into his yard to pick an apple, because old Dawson would come after you with his gun. One Friday, 12-year-old...
查看完整题目与答案
【单选题】下列对生物细胞代谢活动的描述,不正确的是( )
A.
大肠杆菌在拟核区转录信使RNA
B.
乳酸杆菌在细胞质基质中产乳酸
C.
衣藻进行光合作用的场所是叶绿体
D.
酵母菌的高尔基体负责合成蛋白质
查看完整题目与答案
【单选题】当用自攻螺钉安装板材时，板材接缝处必须安装在宽度不小于（　）mm的次龙骨上。
A.
20
B.
30
C.
40
D.
50
查看完整题目与答案
相关题目：
【单选题】哪种结构是细菌蛋白质合成场所,成为红霉素等抗生素的作用部位( )
A.
细胞壁
B.
细胞膜
C.
肽聚糖
D.
核糖体
E.
核质
查看完整题目与答案
【简答题】阅读理解。 Whose house is this? It's Dawson's new house in the village of Belmont. It's a little village near a big city. There are two small lakes in Belmont, and the family live near one of them. They li...
查看完整题目与答案
【单选题】当用自攻螺钉安装板材时，板材的接缝处，必须安装宽度不小于（）mm的次龙骨上。
A.
20
B.
10
C.
40
D.
50
查看完整题目与答案
【单选题】当用自攻螺钉安装板材时，板材的接缝处必须安装在宽度不小于( )mm的次龙骨上。
A.
20
B.
10
C.
40
D.
50
查看完整题目与答案
【单选题】Dawson was dissatisfied with soft iron pitons because ______.
A.
they were too soft to bear the climber's weight
B.
they were the only pitons he could afford to buy
C.
they coul not last long
D.
they were made of iron
查看完整题目与答案
【单选题】当用自攻螺钉安装板材时，板材的接缝处，必须安装宽度不小( )mm的次龙骨上。
A.
20
B.
10
C.
40
D.
50
查看完整题目与答案
【单选题】Dawson’s example shows that a businessstarts_________．
A.
when you have climbed somemountains
B.
after you have climbedsome muntains
C.
with the knowledge of what is needed
D.
with a moment of sudden realization of inspiration
查看完整题目与答案
【简答题】完形填空。 Mr. Dawson was an old grouch (脾气坏的人), and everyone in town knew it. 1 knew not to go into his yard to pick an apple, because old Dawson would come after you with his gun. One Friday, 12-year-old...
查看完整题目与答案
【单选题】下列对生物细胞代谢活动的描述,不正确的是( )
A.
大肠杆菌在拟核区转录信使RNA
B.
乳酸杆菌在细胞质基质中产乳酸
C.
衣藻进行光合作用的场所是叶绿体
D.
酵母菌的高尔基体负责合成蛋白质
查看完整题目与答案
【单选题】当用自攻螺钉安装板材时，板材接缝处必须安装在宽度不小于（　）mm的次龙骨上。
A.
20
B.
30
C.
40
D.
50
查看完整题目与答案