患者男性,45岁,诊断为胆道感染,治疗最好选用()
A.林可霉素
B.红霉素
C.克林霉素
D.庆大霉素
E.氯霉素
参考答案:B
The government have realized the use the returnees make ______ the experience and skills ________while living abroad.
A.of; gained
B.of; gain
C.for; gained
D.up; gain
气缸盖上有()出水口。
A、1个
B、2个
C、3个
D、4个