患者男，20岁，因“发热伴腹痛、腹泻3d”来诊。排粪10余次/d，初为稀粪，后为黏液

右旋糖酐是由哪种大分子组成（）。

A.二硫酸氨基葡萄糖

B.乙酰氨基葡萄糖

C.葡萄糖醛酸

D.硫酸艾杜糖醛酸

E.果糖磷酸

Let’s make friends ________ the new girl in our class.

A．at

B．with

C．to

D．in

下列哪项检查为确诊蛛网膜下隙出血的首选方法（）

A.数字减影血管造影

B.经颅多普勒

C.颅脑CT

D.颅脑MRI或MRA

E.脑脊液检查

作为人体健康十大标准之一，WHO提出的口腔健康标准的具体内容不包括

A．牙齿排列整齐
B．没有龋洞
C．牙齿清洁
D．牙龈颜色正常
E．牙齿没有痛感

A. A careful check has revealed that your products are not of good qualities.
B. More office workers are needed in reviewing the applicants’ qualifications.
C. We regret to inform you that your job application has been turned down.
D. We are sorry that we didn’t check your qualifications while you were in the office.