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问题 单项选择题 A1/A2型题

经动脉导管化疗药物灌注术治疗胰腺癌，能明显缓解疼痛，改善生活质量的药物是（）

A.丝裂霉素

B.5-氟尿嘧啶

C.多柔比星

D.羟喜树碱

E.吉西他滨

答案

参考答案：E

单项选择题

冒泡排序在最坏情况下的比较次数是

A．n(n+1)/2

B．nlog2n

C．n(n-1)/2

D．n/2
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单项选择题

Indians always shake (摇) their heads when they talk to others. (41) does not have the same meaning (42) "no". If someone wants to visit India, (43) should know this, (44) it will give him some trouble.
One day, a foreign officer went to India on business. He hired (雇佣) a car and an Indian to drive it. When he (45) the driver to send him to his office, the driver shook his (46) at once. The officer repeated his order, and the driver (47) so again. At last, the officer, of course, got (48) .
" (49) dare you refuse (拒绝) my order" he shouted. "Drive me to office immediately!"
The driver answered (50) quite a loud voice, too. "Yes, sir !" But he still shook his head at the same time. Suddenly the officer realized that, "No means Yes here!\

[A] you[B] he [C] they
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