“吾生也有涯，而知也无涯。”是谁说的？

根据括号中所给的汉语写出单词，使句子意思完整正确，并将答案填写在答题卡标号为41—45的相应位置上。

小题1:It seems such a ______ (浪费) to leave the food behind.

小题2:Finally, I found my key at the ______ (底部) of my school bag.

小题3:The suspect was seen ______ (进入) the Building at 7 p.m. last night.

小题4:It was        (粗心) of Ricky to leave the door unlocked when he went to bed.

小题5:The students were learning about various _____ (机器人) When Michelle Obama visited.

B）根据句子意思，用括号中所给单词的适当形式填空，并将答案填写在答题卡标号为46—50的相应位置上。

小题6:After ______ (consider) the plan carefully, the boss agreed at last.

小题7:Though it’s my ______ (four) time to come to Tibet, I am still deeply attracted by the scenery.

小题8:When Xi Jinping arrived in Henan province, villagers there all greeted him with ____ (excite).

小题9:—You should throw away all old files, envelopes, and other        (important) things. —You’re right. I need to keep my office clean and tidy.

小题10:— I had two        (tooth) pulled out this morning.

—I’m sorry to hear that.

We should go to school at 8:00 ______ school mornings. [ ]

A. at

B. in

C. on

D. of

注册消防工程师职业道德的原则是高度概括的我国社会主义社会对注册消防工程师职业道德要求的意识形式，具有（）的特点。

A.本质性

B.基准性

C.稳定性

D.独特性

E.约束性

试述信息系统运行管理的目标与内容。

慢性肺源性心脏病形成肺动脉高压的主要机制是（）

A.支气管感染

B.红细胞增多

C.肺小动脉痉挛

D.血液黏稠度增加

E.肺毛细血管床减少