Preamble的格式是由()、()和保护时间组成。
参考答案:循环前缀;序列
词汇运用
1. They meet at ________(一家大宾馆) with local business people.
2. They will be meeting with people ________(代表) the Chinese government.
3. Children are always ________(对……好奇) the unknown world.
4. Do you know ________(最佳方法) to studying a foreign language?
5. Can you ________(表达自己) in English?
6. We got there on time on the 9:40 ________(直达快车).
7. ________(十分可能) we'll be in Spain at this time next year.
8. Body language ________(非常普遍), and not all members of all cultures behave the same way.
9. You should try to ________(避免开车去市中心) at this time of the day.
10. He is lucky enough to ________(逃脱了惩罚).
11. They finally ________(达成一致) about the plan at the meeting.
含油污水中含有环烷酸及电化学脱水过程加入的(),因而表面活性高。
A.破乳剂
B.氧化剂
C.絮凝剂
D.杀菌剂