皮皮学，免费搜题
登录
搜题
【单选题】
对于 6个月以下的婴儿 , 我国的 补钙 标准是 ( ) mg/dA.
50
B.
100
C.
600
D.
1000
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】I didn’t sleep well last night, but it was not my own ________, because the plane kept making noise.
A.
mistake
B.
fault
C.
trouble
D.
problem
【单选题】I didn’t sleep well last night because of the noise. It was not until midnight ___ the noise in the street stopped.
A.
that
B.
when
C.
since
D.
at which
【单选题】I didn’t sleep well last night because it was too _______ outside.
A.
noisy
B.
quiet
C.
noise
D.
Loud
【单选题】I didn’t sleep well ________ the noise from that factory nearby.
A.
because
B.
because of
C.
Unless
【单选题】—You look tired. Why? — I didn’t sleep well. The math exam is coming. —____ . I ’ ll help you.
A.
Don’t worry
B.
That’s too bad
C.
Yes
D.
Thanks
【简答题】轻型井点设备主要有井点管、弯联管、 及抽水机等组成。
【单选题】I didn’t sleep well last night as all the heating __________.
A.
went off
B.
went on
C.
went up
D.
went down
相关题目：