搜题请搜索小程序“爱下问搜题”
问题 填空题

一袋大米重50千克，粮店一共运来了140袋，一次最多运6袋，至少要运______次．

答案

140÷6=23（次）…2（袋）．

23+1=24（次）．

答：至少要运 24次．

故答案为：24．

单项选择题 A1/A2型题

艾滋病的发病机制中哪一种概念是错误的（）

A.CDT淋巴细胞在HIV的直接或间接作用下破坏

B.感染HIV的单核-巨噬细胞在病毒扩散中起重要作用

C.B淋巴细胞在HIV感染早期表现为多克隆活化

D.艾滋病患者NK细胞（自然杀伤细胞）数量明显减少，功能缺陷

E.HIV复制不受控制的原因是肿瘤坏死因子对HIV可起激活作用
查看答案
完形填空

Zengzi(曾子505---435BC), a Chinese philosopher and student of Confucius(孔子)，小题1: (believe) to be the author(作者) of Daxue. One day, as Zengzi’s wife set off(出发) for the market，her little son insisted on(坚持) going with her， 小题2: (make) a tearful scene(场面).

“Stay at home,”she said to the boy, “When I come back, I  小题3:(kill) the pig for you to eat.”

When she got back from the market, Zengzi was prepared to catch the pig and kill it. His wife stopped him, saying I was only kidding(开玩笑) to 小题4: when I said that.” “Children can’t be humored(幽默)  小题5: this way. ” he replied, “They have little  小题6:(understand). They learn from their parents and listen to  小题7:they say. To lie to him is to teach him to lie to 小题8:.” Her son will not trust her any more  小题9: a mother lies to him. This is not the way to teach 小题10: child. With that, Zengzi went to kill the pig and then cooked it for his son.
查看答案