门式起重机具有()等特点,在港口、货场、料场的货物装卸作业中得到广泛使用。
A.场地利用率高
B.作业范围大
C.适应面广
D.通用性强
E.操作灵活
参考答案:A, B, C, D
患者男,10岁。有畏寒、发热、腹痛、腹泻、脓血便和里急后重,应诊断为()。
A.阿米巴痢疾
B.食物中毒
C.消化不良性腹泻
D.急性肠炎
E.细菌性痢疾
He seems to be giving the impression that he didn't enjoy himself in Paris. ________, he had a wonderful
time. [ ]
A. Above all
B. What's more
C. As a result
D. On the contrary