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【简答题】
我国液压油的牌号是采用 °C时的 的平均值来表示。
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【简答题】完形填空。 Li Lei is a student 1 Class Two, Grade Seven. He likes football very 2 . He often plays it after school. And he often goes home 3 . His home is 4 the school. His mother doesn't worry 5 him. One ...
【单选题】'What does your father do?' ' _______.'
A.
He likes football.
B.
He is 40.
C.
He is a doctor.
D.
She is a worker.
【简答题】（11分）有关物质的量的计算。 （1）有NaCl、CaCl 2 、AlCl 3 三种溶液，若溶质的物质的量相等，分别与足量的硝酸银溶液反应，则生成沉淀的物质的量之比为________________.若生成的沉淀的质量相等，则三种溶液中溶质的物质的量之比为__________。 （2）相同质量的SO 2 和SO 3 ，所含分子的数目之比为_________；所含O的物质的量之比为________。...
【单选题】----- He likes football very much.
A.
---- ____________
B.
So do I
C.
I did so
D.
So I like
E.
So I do
【单选题】—He likes football very much.
A.
_____
B.
So do I.
C.
I did so.
D.
So l like.
E.
So l did
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