4％多聚甲醛-磷酸二钠／氢氧化钠（）中性缓冲甲醛液（）乙醇-甲醛液（）乙醚-乙醇液（

写出下列动词的过去式。

1. begin________

2. buy________

3. drink________

4. hear________

5. leave________

6. take________

7. write________

8. tell________

9. meet________

10. eat________

足月儿，出生时一般情况好，无青紫窒息，纯母乳喂养，生后12h即出现黄疸，其母孕期体健，前3胎中，第1胎为人工流产，第2、3胎在生后均因黄疸死亡。

检查发现母亲为“O”型Rh阳性血，患儿为“A”型Rh阳性血。此时应立即进行哪项检查（）

A.血清特异性抗体检测

B.血培养

C.肝功能

D.血常规

E.脑脊液检查

图14-41所示体系的多余联系个数为（）。

A. 4

B.5

C.6

D. 7

A company is considering changing its policy concerning daily working hours. Currently, this company requires all employees to arrive at work at 8 a.m. The proposed policy would permit each employee to decide when to arrive—from as early as 6 a.m. to as late as 11 a.m.
The adoption of this policy would be most likely to decrease employees’ productivity if the employees’ job functions required them to

A．work without interruption from other employees.

B．consult at least once a day with employees from other companies.

C．submit their work for a supervisor’s eventual approval.

D．interact frequently with each other throughout the entire workday.

E．(E) undertake projects that take several days to complete.

"疳气"病儿易发脾气是由于（）

A.土虚木旺

B.肝气郁结

C.肝火太旺

D.心神不宁

E.以上都不是