问题
单项选择题
分子中含有手性碳的酰胺类局部麻醉药物是
A．丙泊酚
B．盐酸丁卡因
C．盐酸布比卡因
D．盐酸利多卡因
E．依托咪酯
答案
参考答案：C
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分子中含有手性碳的酰胺类局部麻醉药物是
A．丙泊酚
B．盐酸丁卡因
C．盐酸布比卡因
D．盐酸利多卡因
E．依托咪酯
参考答案：C
| 阅读理解 | |
| |
| 1. Travelers in the tour group will travel to Singapore _____. | |
| A. by air B. by sea C. by train D. by bus | |
| 2. In the notice, we aren’t told ______. | |
| A. the cost of the tour B. the route of the tour C. the address of the travel agency D. the date of departure | |
| 3. On the second day, travelers in the tour group can _____. | |
| A. go to Chinatown B. visit Sentosa Island C. tour around by boat D. have a party in KTV | |
| 4. When can travelers shop freely during the tour? | |
| A. On the first day. B. On the second day. C. On the third day. D. On the last day. | |
| 5. If you want to spend 3,000 yuan at most on the tour, you can choose _____ as your departure date. | |
| A. August 16 B. August 17 C. August 18 D. August 19 |
3,220 
3,100 
2,950 
3,150