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问题 选择题

除去镁粉中混有的少量铝粉，可选用的溶液是（   ）

A．盐酸

B．硝酸

C．氨水

D．氢氧化钾

答案

答案：D

Mg不与强碱溶液发生反应，而铝可以与强碱溶液发生反应，铝与氢氧化钾反应的方程式为2Al+2KOH+2H2O2KAlO2+3H2↑。故选D。

填空题

用括号里的词的适当形式填空。

1. _____ (learn) a foreign language requires our effort.

2. Tom is good at _____ (recite) Tang Poem.

3. I hope that you can continue _____ (make) progress next year.

4. I know those people _____ (who) levels are very high.

5. I'm sure there will soon be more people _____ (speak) Chinese.

6. You must drive _____ (care) when it's snowing heavily.

7. Our classroom is bigger than _____ (you).

8. It's good _____ (practise) _____ (speak) English. even if the other person is better than you at English.

9. I know him _____ (fair) well.

10. It's a language which looks _____ (simple) than it actually is.
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多项选择题

根据《广东发展银行出纳制度》相关规定，下列那些尾箱保管规定是正确的？（）

A、柜员临时离开工作岗位时，应做到尾箱上锁

B、中午休息前，柜员应轧点尾箱款项，与柜员现金库存核对一致，尾箱上锁后放在监控录像的范围内存放

C、营业终了，柜员现金尾箱现金经换人复点核对无误后，尾箱由该柜员上锁并加贴封条或封签，在封条（签）上加盖个人名章，交管库员入库保管

D、柜员应妥善保管尾箱钥匙，不得随意放置
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