若命题p:0是偶数,命题q:2是3的约数,则下列命题中为真的是[ ] A.p且q

题型:选择题

问题:

若命题p:0是偶数,命题q:2是3的约数,则下列命题中为真的是    [ ]

A.p且q    

B.p或q    

C.非p    

D.非p 且非q

考点:简单的逻辑联结词真命题、假命题
题型:选择题

Alan was a fifteen-year-old boy living with his little sister, Lana. Their parents had passed away long ago. Alan took care of Lana by himself.

One day, Alan woke up at three in the morning as usual. When Lana was sleeping alone, Alan 小题1: (leave) their little house to deliver newspapers. As he did so, he found an old man sleeping in front of his house. Alan was so surprised that he stopped 小题2:(look) at him closely.

It was an icy morning and the poor old man didn't have anything to cover himself with. Alan went into his house to get the old man a blanket. However, there were no extra blankets, so Alan took his father's coat. It was the only thing that his father had left. Alan wrote a short note. “Sir! This is my father’s coat. I hope it 小题3:(fit) you well.” He put the note in a pocket of the coat, and covered the old man with it. Then he went to work.

That afternoon, Alan hurried home after school because Lana was at home alone. However, when Alan got home, Lana and the old man 小题4:(stand) in front of the house, and Lana shouted to Alan, “Brother! He’s our grandfather!”

The grandfather smiled and said, “Alan, I 小题5:(look) for you all around the country for 8 years. I’m not very rich. But I小题6:(take) care of you two from now on. Thank you for giving me the coat and letting me know how good my grandson is. This coat was the one that I gave my son a long time ago!”

题型:选择题

关于功能残气量的描述错误的是()

A.可直接由肺量计测得

B.具有较好的重复性

C.主要反映胸廓弹性回缩和肺的弹性回缩力之间的关系

D.超过40%提示肺气肿

E.肺弹性回缩力下降可使FRC增高

题型:选择题

用所给代词的适当形式填空。

1. _____ is Chinese. (his)

2. This is Mark. _____book is here. (he)

3. That's Lisa. _____ pencil is old. (she)

4. _____ is my English teacher. (her)

5. Is that _____ backpack, Jones? (you)

题型:选择题

女性,30岁,因二尖瓣狭窄做了手术,术前肝功正常。HbsAg(-),术中输血800ml,40天后肝功能ALT280IU/L,AST160IU/L,Tbil18μmol/L。

ALT及AST增高的原因可能为()

A.急性甲型病毒性肝炎

B.急性乙型病毒性肝炎

C.急性丙型病毒性肝炎

D.急性丁型病毒性肝炎

E.急性戊型病毒性肝炎

题型:选择题

()是指用于保障开票系统正常运行的计算机、打印机等设备。

A.专用设备

B.通用设备

C.其他设备

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