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【判断题】
%不能对浮点型开展运算
A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【判断题】普鲁卡因青霉素可发生重氮化偶合反应。()
A.
正确
B.
错误
【单选题】He always tells ____ lies, to tell you ____ truth, I don’t believe what he said at all.
A.
/; /
B.
the; the
C.
/; the
D.
the; /
【单选题】可发生重氮化偶合反应的是
A.
阿司匹林
B.
对乙酰氨基酚
C.
二者均是
D.
二者均不是
E.
以上均错误
【简答题】June and I were both poor when we were young. At that time, June always said, “ If I got rich, I would buy a bigger apartment and a new wardrobe(衣柜).” Of course, she said this just for fun and she nev...
【单选题】可发生重氮化偶合反应的是
A.
酸丁卡因
B.
酸普鲁卡因
C.
酸氯胺酮
D.
酸达克罗宁
E.
酸利多卡因
【单选题】“Here is the money I promised, ”he said, “I always _____ promises. ”
A.
agree
B.
fellow
C.
make
D.
keep
【单选题】' Here is the money I promised,' he said,' I always ______ my promise.'
A.
agree
B.
follow
C.
make
D.
keep
【单选题】He left ______ with my secretary that he would call again in the afternoon. He said he would keep ______ .
A.
words; his words
B.
word; his word
C.
word; word
D.
the word; his words
【单选题】He always tell ____ lies, to tell you ____ truth, I don’t believe what he said at all.
A.
/; /
B.
the; the
C.
/; the
D.
the; /
【单选题】电路中的 一 条支路如图所示,电压 U和电流 I的方向已标注在图中,且I=-1A, 则图中对于该支路 ( )。
A.
U、I 为关联方向,电流 I 的实际方向是自 A流向B
B.
U、I 为关联方向,电流 I 的实际方向是自B流向A
C.
U、I 为非关联方向,电流 I 的实际方向是自A流向B
D.
U、I 为非关联方向,电流 I 的实际方向是自B流向A
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