Daniel is ________ his purse, but he can

题型:选择题

问题:

Daniel is ________ his purse, but he can't ________ it. [ ]

A. looking for; find

B. seeing; look for  

C. finding; look at

D. looking at; see

考点:动词短语实义动词
题型:选择题

在10把钥匙中有3把能打开门,现任取一把,能开门的概率为______.

题型:选择题

若(x+6)(x+2)=x(x﹣3)﹣21,则x=﹙    ﹚.

题型:选择题

“天生我材必有用,千金散尽还复来”是出自杜甫的诗句。( )

题型:选择题
在原子中,一定带正电的粒子是(  )

A.质子

B.中子

C.核子

D.电子

题型:选择题

什么是司钻法压井?

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