打眼作业时,操作者应(),双手紧握操作手把,身体保持平衡。
A.分腿站立
B.合腿站立
C.正对钻机站立
D.两腿错开站立
参考答案:A
Jack gets to the bus station very early. The bus for Beijing is leaving (出发) at twelve. He sees many people at the station. Some are waiting in line, and others are walking around. Jack looks around but there is no room (空间) for him to sit in. He walks into a restaurant. He looks up at the clock there. It’s only 11:30. Then he finds a seat and sits down. At that time, Tom, one of his friends, comes in and sits in front of him. They talk and drink. After a while, Jack looks up at the clock again. “Oh, my God. It’s still (仍然) 11:30. The clock doesn’t work at all.” Jack becomes very sad because he misses (错过) the bus.
小题1:Jack is going to ___ by bus.
A.London
B.Beijing
C.Paris
D.New York小题2:Jack goes into the restaurant because ___.
A.it is quite early
B.he can’t find a seat at the station
C.he misses the bus for Beijing
D.A and B小题3:Tom is ___.
A.a policeman
B.a businessman
C.Jack’s brother
D.Jack’s friend小题4:The clock is___.
A.good
B.ugly
C.broken (坏的)
D.fast小题5:Jack becomes sad because ___.
A.he misses the bus
B.he can’t find a seat
C.he meets Tom at the station
D.the clock is broken
患者,男性,63岁,肺脓肿1个月,目前仍有高热、脓痰,空洞2cm,最关键的治疗()。
A.祛痰、止咳
B.输血等支持疗法
C.免疫治疗
D.手术治疗
E.有效彻底的抗菌治疗