HV低温液压油按质量分为哪些品种,试写出这些品种?
参考答案:HV低温液压油按质量分为两个品种。分别是:优等品、一等品。
根据短文内容填入适当的单词,使短文的意思完整,每格限填写一个英语单词,要求开头第一个字母与所给的字母相同。在填写答案时,单词开头的第一个字母要写出来。
Dear Tom,
Are you surprised to hear from me? I have not heard from you s 1 the beginning of the summer h 2 .
How are you getting on with your s 3 ? How are your parents? Is your brother Bill b 4 f 5 Canada
yet?
My stamp collection (集邮) is g 6 bigger and bigger. I have collected stamps of more than forty d 7
countries. In my stamp books, I usually put the stamps from each country together. I have got a pen-friend
from Britain. She gave me some B 8 stamps. My American teacher has given me some beautiful American
and Canadian stamps. I'm glad to know you are going to give me some foreign stamps, but I still have not r 9
the stamps of Nepal which you said to p 10 me. Have you sent them off yet?
Please write to me soon.
Yours,
Zhou Wen
1. 2. 3. 4. 5.
6. 7. 8. 9. 10.
肾虚胎动不安者,宜首选()
A.白术
B.当归
C.五加皮
D.桑寄生
E.砂仁