弗洛伊德在《创作家与白日梦》一文中指出，白日梦就是人的幻想，它源自儿童时代的游戏，儿

骨下袋的特点，除外

A．骨下袋的牙槽骨呈垂直或角形吸收

B．骨下袋的牙槽骨可呈水平吸收

C．牙周袋的袋底位于牙槽嵴顶的根方

D．袋壁软组织位于牙根面和牙槽骨之间

E．牙槽骨构成牙周袋壁的一部分

某种原子直径为1.2×10^-2纳米，把这个数化为小数是______纳米．

补全对话(每空一词)。

A: Excuse me, __1__ is the way to the Children's Hospital?

B: __2__ , I don't know. You'd __3__ ask that policeman.

A: Excuse me, __4__ can I get to the Children's Hospital?

C: Oh, go along Huanghe Street, and __5__ the second turning on your left. Then __6__ No. 3 bus and

    __7__ off __8__ the third stop. You'll see a white building __9__ the post office and the police station.

    You __10__ miss it.

A: Thank you very much.

C: You are welcome.

桑螵蛸与海螵蛸共同的功效是( )

A．益脾止泻

B．固表止汗

C．固精止遗

D．敛肺止咳

E．止血止带

以下搜索引擎中，（）不是循证医学中的证据搜索引擎。

A、SUMsearch

B、TRIP数据库

C、Doctors Desk/PCEL

D、Google