问题
选择题
Each time tourists travel to Beijing, they ______ the Forbidden City. [ ]
A. will be shown up
B. will be shown around
C. will show around
D. will show to
答案
答案：B
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Each time tourists travel to Beijing, they ______ the Forbidden City. [ ]
A. will be shown up
B. will be shown around
C. will show around
D. will show to
答案：B
下列物质除杂（括号内物质为杂质）所用试剂正确的是（ ）
| 物质 | 试剂] | |
| A | Na2SO4溶液（NaBr） | Cl2 |
| B | FeCl2溶液（FeCl3） | Cu |
| C | Cl2（HCl） | 饱和食盐水 |
| D | CO2（HCl） | 饱和Na2CO3溶液 |
A．A
B．B
C．C
D．D