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【单选题】
C51中当一个变量的存储类型定义为idata时,这个变量存储在( )
A.
RAM 的0~127字节
B.
RAM 的128~255字节
C.
RAM 的0~256字节
D.
以上都正解
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参考答案:
举一反三
【单选题】马步双切桥主要用于()
A.
防止对方从侧面的进攻
B.
防止对方从正面的进攻
C.
进攻对方的正面
D.
以上都正确
【判断题】胰岛是胰的内分泌部,可分泌胰岛素,主要调节血糖浓度,分泌过盛可引起糖尿病。( )
A.
正确
B.
错误
【简答题】胰岛是胰的( )部,可分泌( ),主要调节( ),分泌不足可引起( )。
【单选题】细菌核糖体的沉降系数是
A.
30S
B.
50S
C.
70S
D.
80S
E.
60S
【单选题】It is suggested in the passage that______.
A.
Burns had lived near the country before he went to Edinburgh
B.
Burns would give up writing poems forever because of the disappointing experiences in Edinburgh
C.
Burns felt at great ease when he remained on the land than when he lived in the capital
D.
Burns would surely change his life style. after his second trip to Edinburgh
【单选题】细菌核糖体的沉降系数是( )。
A.
40S
B.
60S
C.
70S
D.
80S
【单选题】Parents are advised to take pressure ______ a child and give him some encouragement before an exam.
A.
off
B.
out
C.
away
D.
over
【单选题】It is suggested in the passage that ______.
A.
Bums had lived near the country before he went to Edinburgh
B.
Bums would give up writing poems forever because of the disappointing experiences in Edinburgh
C.
Bums felt at great ease when he remained on the land than when he lived in the capital
D.
Bums would surely change his life style. after his second trip to Edinburgh
【单选题】Li Wen has a sister ,but his parents hope to have child.So there are three in Li Wen`s family.
A.
other, children
B.
another , childs
C.
the other, children
D.
another, children
【单选题】细菌核糖体的沉降系数是( )
A.
40S
B.
50S
C.
60S
D.
70S
E.
80S
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