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【判断题】
不等式 是一元二次不等式A.
正确
B.
错误
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】中年人脂肪的摄取应占总热量的多少最为适宜。() A10%～15% B20%～25% C30%～35% D40%～45%
【单选题】Why does the man look so tired?
A.
He worked for the whole night.
B.
He played computer games last night.
C.
He talked with his roommate last night.
D.
He was bothered by the noise in his room.
【单选题】For a whole night he sat before the desk, his resume.
A.
write
B.
wrote
C.
written
D.
writing
【单选题】—Mr. White didn’t come last night ,did he? —No ,we for him. A whole night was wasted.
A.
had waited
B.
have been waiting
C.
were waiting
D.
had been waiting
【简答题】Struggling his way in the dark for a whole night, he finally found himself ______( lose) in the forest.
【简答题】墙体的砌筑砂浆强度大于( )MPa时,方可浇筑芯柱混凝土。
【单选题】.— Mr White didn't come last night, did he? — No. We _____for him . A whole night was wasted.
A.
had waited
B.
have been waiting
C.
were waiting
D.
had been waiting
【简答题】The news that he had passed the exam made his mother stay a_______ for a whole night.
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