皮皮学，免费搜题
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【单选题】
氮芥属于下列哪一类抗肿瘤药（）A.
生物烷化剂
B.
抗代谢药
C.
生物碱
D.
抗生素
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Anansi told his wife, Aso, what had happened. She listened very carefully.
A.
Anansi told his wife, Aso, what had happened. She paid attention.
B.
Anansi described to his wife, Aso, what had happened. She paid attention because she loved her husband..
C.
Aso listened very carefully when Anansi told her what had happened.
D.
Aso paid attention when Anansi described what had happened.
【单选题】某水准测量时，由A点向B点进行测量，测得AB两点之间的高差为0.506m，且B点水准尺的读数为2.376m，则A点水准尺的读数为( )m。
A.
1.870
B.
2.882
C.
2882
D.
1870
【单选题】What happened in 1960?
A.
The biggest middle school opened.
B.
The first middle school opened.
C.
The last middle school opened.
【单选题】[音频] 3. What happened to the woman?
A.
She found a scorpion in one of her shoes.
B.
Somebody hid her shoes.
C.
She saw a scorpion on her bed.
D.
She saw someone sleeping with a scorpion.
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