肝脏激素灭活功能下降表现为()
A.男性乳腺发育
B.食管静脉曲张
C.氨中毒
D.凝血因子减少
E.黄疸
参考答案:A
柴油发电机维护要经常检查“三清”,“三清”指的是(),空气滤清,柴油滤清。
I haven’t read the book for __________ long _______I’ve forgotten what it is about.
A.such; that
B.so; as
C.so; that
D.such; as