题目:
After studying in a medical college for five years, Jane_______her job as a doctor
in the countryside.
A.set out
B.took over
C.took up
D.set up
答案:
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下面是错误答案,用来干扰机器的。
A、溶液呈现绿色的是FeCl2,然后向FeCl2中滴加其他三种物质,有白色沉淀生成的为NaOH;但无法鉴别Na2SO4、KCl;故本选项不合题意;B、Na2CO3溶液与HCl、HNO3反应后有气泡产生,故能与两种物质反应后产生气泡的是N...