Simon was born in Shanghai he lives in Beijing now. [ ]
A. and
B. but
C. or
D. because
答案:B
气管插管时
A.心动过缓、血压下降B.心率加快、血压升高C.心率加快、血压下降D.心率减慢、血压升高E.心率、血压不变
我国内地口腔黏膜下纤维性变多见于()
A.广西
B.湖南
C.湖北
D.四川
E.以上都不是