The manager of the company insisted that all the staff members __________ the new safety rules.
题目
The manager of the company insisted that all the staff members __________ the new safety rules.
A) would observe
B) observe
C) observed
D) will observe
为什么不是a
答案
B) observe
省略should
举一反三
已知函数f（x）=x，g（x）=alnx，a∈R．若曲线y=f（x）与曲线y=g（x）相交，且在交点处有相同的切线，求a的值和该切线方程．
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