管路的连接方法有()、焊接连接、法兰连接、承插连接。
参考答案:螺纹连接
下列划线字的注音全部正确的一项是( )(2分)
A.啜泣(chuò)看护妇(kàn)河畔金柳(pàn)
B.邂逅(jiě)卡脖子(qiǎ)重蹈覆辙(zhé)
C.逮住(dǎi)超负荷(hè)美味佳肴(yáo)
D.汲水(jí)畜牧业(xù)言简意赅(hài)
在空格内填入适当的词,使其内容通顺,每空格限填一词,词首字母已给。
1. What do you want to do in summer h______________.
2. Fifteen minutes means a q_____________.
3. Taiwan is the largest i_____________ of China..
4. The p____________ of China is the largest in the world. It's over 1,300 million.
5. His t_____________ is a little high. I think he has a headache.
6. Jim is an e_____________ student. He often does very well in all the subjects.