激光焊接机床工作前需要首先打开水循环装置。

指出下列牙齿萌出的生理特点中哪一个是正确的

A．在一定时间内，按一定顺序先后萌出

B．同颌同名牙左侧萌出早于右侧

C．上颌早于下颌

D．男女同龄人萌出情况相同

E．以上均正确

下列句子不是名词作动词的一项是 （ ）

A．假舟楫者，非能水也，而绝江河

B．范增数目项王

C．沛公军霸上

D．卒廷见相如

I was reading Shirley Hazzard’s novel The Transit of Venus. Though I (51) her other books, I had always resisted this one. It (52) me as too pure somehow, too heroic, larger or finer than life and therefore unreal. But now I read it with an almost (53) pleasure. There were sentences that (54) of gratification to my eyes and (55) the hairs on the nape of my neck. I was in a Boston hospital, propped tip in bed with a feeding tube in my arm after (56) surgery for cancer. It was

(57) double room and my roommate, who (58) when he spoke because he had both a broken chin and a drug habit was spraying the air for the fourth or fifth time that day with (59) had a television set and a radio going (60) . The diagnosis of my case was ambiguous. When I asked the doctor the usual question-How much time have I got—he hesitated before answering. "I would say," he said, "that you have in the neighborhood of years.\

51().

A. disliked

B. ignored

C. had disliked

D. had admired

国家电网公司要以“一带一路”周边国家电网互联互通为突破，重点加快推进（）联网工程。

A.中俄

B.中蒙

C.中巴

D.中印

可诱发恶性高热的药物是（）

A.氟烷

B.阿托品

C.苯巴比妥

D.琥珀胆碱

E.利多卡因