螺纹连接具有简单可靠、拆装方便的优点,但成本较高。
参考答案:错
用括号内所给动词的正确形式填空。
1. — I phoned you yesterday morning, but you were not in. — We ______ (fish) by the river.
2. ______ (make) sure that there are no mistakes, he will check the paper carefully.
3. Is the washing machine I have used for a long time worth ______ (fix)?
4. There ______ (not be) much snow here in the past three years.
5. I don't know if we ______ (show) around the History Museum tomorrow afternoon.
某女,38岁。慢性腹泻已5年余,排便每日2~3次,便稀不成形,纳呆,腹胀,周身乏力,消瘦,舌淡苔白,脉缓。临床诊断最可能是
A.脾阳虚证B.脾气虚证C.大肠虚寒证D.寒湿困脾证E.以上都不是