在水平面上有一个质量为4kg的物体，物体在水平拉力F的作用下由静止开始运动，10

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。

—Hello,Professor Smith.The summer vacation is coming. 小题1:

—I am going to Miami Beach,Florida for two weeks.

—How will you get there?

—  小题2: 

—Does it cost a lot?

—No.The cost is lower out of season.It is my first time to travel by air. 小题3:.

—Don’t worry.Are your family going with you ?

—Yes.We plan to go swimming in the ocean ,enjoy the sunshine on the beach and go water-skiing

—  小题4:  .

—Yeah,they are crossing off the days on the calendar.Are you going go Europe again this summer?

—No,not this time. 小题5: .

—Egypt? It is really a place full of mystery.Have a good trip.

—Thank you .The same to you.

A．In fact,I am a little nervous.

B．When are you leaving?

C．What’s your plan for the vacation?

D．I plan to go there by train.E、I will fly to Miami from New York.

F、I am going to visit some old friends in Egypt.

G、Your children must be excited about it.

患者，男，16岁。右肱骨髁上骨折，手法复位外固定1小时。为早期发现骨筋膜室综合征，应特别注意

A．桡动脉搏动
B．手的温度及颜色
C．有无感觉丧失
D．是否有与手指活动相关的剧烈疼痛
E．上臂肿胀程度

非阵发性房室交界区性心动过速最常见的病因是（）

A.心肌炎

B.急性风湿热

C.心肌梗死

D.心瓣膜术后

E.洋地黄中毒

1978年12月，邓 * * 在中 * * 工作会议上发表的重要报告是（）。

A.《实践是检验真理的唯一标准》

B.《解放思想，实事求是，团结一致向前看》

C.《必须旗帜鲜明地坚持四项基本原则》

D.《关于建国以来党的若干历史问题的决议》

计算