关于霍乱的临床表现,叙述正确的有()
A.寒战高热
B.剧烈腹痛
C.剧烈腹泻,继而呕吐大量“米泔水”样物
D.严重脱水,电解质紊乱
E.腓肠肌痉挛
参考答案:C, D, E
—What can I do for you?
—I’d like two _______.
A.box of apple
B.box of apples
C.boxes of apple
D.boxes of apples
不容许风险档的危险性值应大于( )。
A.180
B.240
C.320
D.460