投标保证金有效期应当超出投标有效期()天。
A.14
B.15
C.30
D.60
参考答案:C
根据句意和首字母提示填空。
1. There are some p______ of my family.
2. Thank you for h______ me with my English.
3. My grandfather likes g______ up early.
4. They are v______ Shanghai now.
5. Some newspapers ______ on the desk.
为乙肝表面抗原阳性患者吸痰时应()
A.洗手
B.戴手套
C.戴口罩、护目镜
D.穿隔离衣
E.戴口罩