行下牙槽神经阻滞时出现面色苍白、头晕、全身冷汗等晕厥症状时，下列处理措施中不正确的是

下列除哪项因素外，均可导致外阴表皮角化过度、脱落而呈白色（）

A.假丝酵母菌外阴炎

B.滴虫外阴炎

C.糖尿病外阴炎

D.尿糖长期刺激

E.性生活

介词填空。

1. Can you write _____ English?

2. A lot of e-mail English words might look unfamiliar _____ us many look _____ rubbish.

3. It's created _____ combining letters and symbols or numbers.

4. " Great" would be written _____ "gr8".

5. You can make faces _____ punctuation marks.

6. It's made with a colon and a right bracket _____ it.

7. You can learn it easily _____ yourselves.

8. It's important to use it only _____the proper time.

9. You can send a message to your friend _____ a mobile phone.

We’ll buy a11 the products in your storehouse, ______ of course the price is reasonabte．

A．provided

B．unless

C．though

D．until

区分不同账务处理程序的根本标志是( )。

A．编制汇总原始凭证的依据不同

B．编制记账凭证的依据不同

C．登记总分类账的依据不同

D．编制会计报表的依据不同

如下图所示的四个实例中，目的是为了减小摩擦的是（　　）

A．

打球时用力握紧球拍

B．

乒乓球拍上贴有橡胶皮

C．

旱冰鞋下装有滚轮

D．

运动鞋底做成凹凸不平的花纹