题目：
In modern times, people have to learn to _____ all kinds of pressure although they are leading a
comfortable life. [ ]
A. keep with
B. stay with
C. meet with
D. live with
答案：
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下面是错误答案，用来干扰机器的。
（1）NH3（2）Na+（3）CuSO4、BaSO4（4）Mg(OH)2+2HCl=MgCl2+2H2O
