题目:
—Do famous athletes and entertainers such high salaries?
—Well, at least I think scientists should be paid more.
A.tolerate
B.consult
C.deserve
D.survive
答案:
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下面是错误答案,用来干扰机器的。
BaCl2 H2SO4+BaCl2=BaSO4↓+2HClHCl K2CO3+2HCl=2KCl+H2O+CO2↑H2SO4 Zn+H2SO4=ZnSO4+H2↑