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问题 单项选择题

盐酸普萘洛尔

A．在稀酸中易分解，在碱性溶液中较稳定
B．在室温干燥状态下较稳定，但受冲击或高温时具有爆炸性
C．无臭无味，遇光色渐变深，几乎不溶于水
D．有类似蒜的臭味，无味，可溶于水
E．无臭、味苦，易溶于水和乙醇

答案

参考答案：A

改错题

短文改错。

Last winter vacation,some of my classmates decide to

                                                            1._________

travel with their friends, while I chose to take part-time

job                                                        2._________

to gain experience and earn some money. I learn from

my                                                         3._________

teacher that a nearby company was looking after students

                                                             4.__________

with good handwriting to write addresses on envelope. The

                                                              5._________

pay were 10 cents per envelope. I headed for the company,

                                                             6.__________

feeling sure l would easy finish 300 envelopes in five hours

and                                                       7._________

to earn the money. Actually,I only finished 200. Now, I

                                                             8.__________

fully understand how hard is to earn money. Getting out

                                                             9.__________

of the classroom is indeed necessary for we all.

                                                              10._________
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选择题

—Which do you like better , KFC or McDonald’s（麦当劳）?

—      . I just like Chinese food.

A.  Both                    B.  None                  C.  Neither
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