妊娠11~14周,需终止妊娠者宜用()
A.人工流产负压吸引术
B.人工流产钳刮术
C.水囊引产
D.剖腹手术
E.肌注天花粉蛋白引产
参考答案:B
The computer game _______ well and _______ out very soon.
A.sells, is sold
B.sells, sells
C.is sold, sells
D.is sold, is sold
带压不置换动火有几种方法,他们是()。
A.常压动火法
B.正压动火法
C.负压动火法