问题
单项选择题
以下缩写是指
IR
A.气相色谱法
B.高效液相色谱法
C.十八烷基硅烷键合硅胶
D.红外分光光度法
E.差示扫描量热法
答案
参考答案:D
以下缩写是指
IR
A.气相色谱法
B.高效液相色谱法
C.十八烷基硅烷键合硅胶
D.红外分光光度法
E.差示扫描量热法
参考答案:D
阅读理解。 | |
Here is an advertisement about two-day tour between Hong Kong and Macao.
between Hong Kong and Macao with his parents. | |
1. Bill enjoyed the beautiful views (风景) in the city by _____ last week. | |
[ ] | |
A. ship B. boat C. bus D. speedboat | |
2. In Hong Kong you can visit _____. | |
[ ] | |
A. Victoria Peak B. Mazu Temple C. the Ruins of St. Paul D. Moon lake | |
3. The tour cost Bill's family _____. | |
[ ] | |
A. HK $1,800 B. HK $1,560 C. HK $1,320 D. HK $1,080 |