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【单选题】
下列说法正确的是A.
H 2 的摩尔质量是2 g
B.
1molH 2 O 的质量是18 g
C.
氧气的摩尔质量是32
D.
11.2L N 2 的质量为14 g
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皮皮学刷刷变学霸
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【简答题】People who enjoy (1) ______ would like the hiking tour.The river runs through the (2) ______ .Call the telephone number to (3) ______ your place.
【单选题】—Who ______ in your class? —Li Lei _______. [ ]
A.
runs faster; runs
B.
run the fastest; does
C.
runs fastest; does
D.
runs fastest; is
【单选题】He does nothing that violates the interests of the collective.
A.
runs for
B.
runs against
C.
runs over
D.
runs into
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