用正垂面截切轴线为铅垂线的圆柱体,所得截交线在俯视图上为()
A.直线
B.圆
C.矩形
D.椭圆
参考答案:B
根据对话内容,从对话后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。(每小题1分,共5分)
M:Hi.Jenny.Nice to meet you here! Have you got everything ready for Christmas?
W:61.What about you,Mike?
M:62.By the way,have you read this news in the newspaper? Two men broke into a store near here last night and took more than $4,500 in cash.
W:63.Two young men held up my husband on the street last week in the middle of the afternoon.
M:Really? 64.Where did that take place?
W:65.Right in front of the cinema.
A.I’m sorry to hear that
B.No.I came here to get some meat and fruit
C.Only a block from here
D.I think I can get everything ready todayE. How much did it cost you?
F. That’s nothing
G. Good luck to you
创伤性休克的急救,主要措施是()
A.制止出血,补充血容量
B.及时手术
C.分级后送
D.应用抗休克药物
E.尽快包扎伤口