写出下列英文缩写的中文全称:WSSV()、PCR()。
参考答案:(对虾)白斑综合症病毒、多聚酶链式反应。
用所给词的适当形式填空。
1. The old man dislikes _____ (live) in the city.
2. My plane _____ (take) off at 5 p. m..
3. I wonder if you _____ (buy) a stamp for me.
4. I want to know where he _____ (go) for his holiday.
5. Hurry up, please, the train _____ (leave) in a minute.
6. We _____ (have) rice for lunch today.
7. Where _____ you _____ (spend) Christmas this year?
8. Who _____ (see) you off tomorrow?
9. The train _____ (arrive) in five minutes.
10. Don't worry. Your son _____ (be) all right.
“日出江花红胜火,春来江水绿如蓝”描述的是 植物大量繁殖的现象。