皮皮学，免费搜题
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【单选题】
过滤器的功能是( )。A.
分离水分
B.
过滤杂质
C.
添加防锈剂
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】混凝土强度等级C30表示( )。
A.
混凝土的立方强度≥30N/mm2
B.
混凝土的棱柱体抗压强度设计值≥30N/mm2
C.
混凝土的轴心抗压强度标准值≥30N/mm2
D.
混凝土的立方强度达30N/mm2的概率不小于95%
【单选题】混凝土强度等级C30表示( )。
A.
混凝土的立方体抗压强度
B.
混凝土的棱柱体抗压强度设计值
C.
混凝土的轴心抗压强度标准值
D.
混凝土的立方体抗压强度达到 的概率不小于95%
【单选题】What advice did the woman give to the man
A.
She told him to go by bus.
B.
She told him to walk there.
C.
She told him to wait for a bus.
【单选题】C30 表示的含义是 ( ) 。
A.
水泥混凝土立方体抗压强度标准值为 30M pa
B.
水泥混凝土立方体抗压强度值为 30M pa
C.
水泥混凝土棱柱体抗压强度值为 30M pa
D.
水泥混凝土劈裂抗拉强度值为 30M pa
【单选题】She began to ______ something but stopped when she heard the teacher.
A.
tell...saying
B.
speak...talking
C.
say...speaking
D.
talk...telling
【单选题】—— Is Maria an outgoing girl? ----- No, she is a little ____ .Her face always turns red when she speaks in class.
A.
active
B.
shy
C.
relaxed
D.
funny
【单选题】Jean worked just so much ______.
A.
like what she was told to
B.
as she was told to
C.
as to what she tried to do
D.
like she was told to
【单选题】混凝土强度等级C30表示（ ）
A.
混凝土的立方体抗拉强度标准值为 30N/mm 2
B.
混凝土的棱柱体抗压强度设计值为 30N/mm 2
C.
混凝土的轴心抗压强度标准值为 30N/mm 2
D.
混凝土的立方体抗压强度标准值为 30N/mm 2
【单选题】Whom does the speaker want to speak to?
A.
She wants to speak to the Mom.
B.
She wants to speak to the children.
C.
She wants to speak to the Dad.
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