使用铅摸加压打印时，应（）。A.只能一次加压打印 B.可以二次加压打印 C.可重复打

结石质硬、灰黄色、X线检查多不显影的是

A．气滞血瘀
B．肝胆气郁
C．肝胆湿热
D．阴虚郁滞
E．结石梗阻

乘坐如图所示游乐园的过山车时，质量为m的人随车在竖直平面内沿圆周轨道运动，下列说法正确的是（　　）

A．车在最高点时人处于倒坐状态，全靠保险带拉住，若没有保险带，人一定会掉下去

B．人在最高点时对座位仍可能产生压力，且压力不一定小于mg

C．人在最高点和最低点时的向心加速度大小相等

D．人在最低点时对座位的压力大于mg

用所给词的适当形式填空。

小题1:The bags are those _____________ (tour). They will come back soon.

小题2:We ____________ (plan) a day out for Nancy at that time.

小题3:We all hope to live in a __________(noise) environment.

小题4:My parents ____________(marry) since 1980.

小题5:The line of people outside Space Mountain _________ (be) endless last Sunday.

小题6:The swallows often fly to the _____________ (south) countries in winter.

小题7:------ Where are your parents?

------ They aren’t at home. They_________ (go) to Shanghai

小题8:It’s __________ (correct) to kill the endangered animals.

小题9:It is five years since Uncle John ________ (leave) his hometown.

小题10:Tree-planting Day is on the __________ ( twelve ) of March every year.

小题11:Daniel can’t open the door because he____________ (forget) to bring his key.

小题12: Disneyland is _______________ (famous) theme park in the world.

小题13:There are a lot of good _______ ( shoe) shops in the new shopping mall. 小题14:Mr. Chen and his friends often enjoy ________ ( they) when they play cards in the new park.

小题15:The water in the river is_______(harm). You can drink it without cooking.

桩冠根管预备时，冠桩的长度为（）

A.与牙根的长度一致

B.根长的1／2

C.根的1／3

D.根长的2／3～3／4

E.根长的4／5

社区护理特点，除（）以外。