急腹症的症状是指（）。
A.腹痛
B.恶心呕吐
C.腹部压痛
D.血白细胞增高
E.发热
参考答案：A, B, E
— When are you due to arrive?
— ____. [ ]
A. Yesterday
B. In about two hours
C. By bus
D. With John
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