为了了解被检者的思维品质，检查者使用了填词测验，这种测验方法属（） A.投射法 B.

接种过乙肝疫苗（）

A.乙肝五项为HBsAg、HBeAg、抗-HBc阳性

B.抗-HBs、抗-HBe、抗-HBc阳性，HBV-DNA阴性

C.抗-HBs阳性

D.抗-HAVIgM阴性，抗-HAVIgG阳性

E.HBsAg、抗-HBc阳性，抗-HCV阳性

选词填空。

朵　　夜　　堆　　个

一（　　）大雪　　一（　　）孩子　　一（　　）白云　　一（　　）柴（chái）

国际法编纂

Which is the proper method of determining whether a portable CO₂ fire extinguisher needs recharging?（）

A.Check the tag to see when the extinguisher was last charged

B.Release a small amount of CO₂; if the CO₂ discharges，the extinguisher is acceptable

C.Weigh the extinguisher and compare the weight against that stamped on the valve

D.Recharge the extinguisher at least once each year

论述如何进行商品删除。