在生物分子之间主要存在的非共价相互作用力不包括()
A.氢键
B.离子键
C.疏水力
D.极化键
E.范德华力
参考答案:D
How does your brother go to school? He goes to school ____________. [ ]
A. by bike
B. by car
C. by bus
某男,38岁。反复腹泻3年余,每日大便3~5次,便质稀,伴纳呆,腹胀,全身乏力,消瘦,舌淡苔白,脉缓。其面色多表现为()
A.萎黄
B.黄胖
C.苍黄
D.阳黄
E.阴黄