题目内容

We will go to visit the museum this afternoon and I want you here by two oclock without

A. fail
B. failure
C. trouble
D. hesitation

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Some people______garden insects by spraying poison on the plants.

A. erase
B. exterminate
C. exclude
D. extinguish

【C9】

A. and
B. with
C. but
D. among

截面面积相同,长度相同,在轴向压力的作用下,最先发生失稳破坏的是()
A两端为铰支的杆件,
B一端为铰支,一端固定的杆件,
C两端为固定的杆件,
D一端固定的杆件,一端自由的杆件

商业银行可以向企业投资。()

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