如图所示的电路中，电源电压为6V，灯泡L1上标有“6V2W”，灯泡L2上标有“6

如果关税纳税义务人自海关填发缴款书之日起（）仍未缴纳税款，经海关关长批准，海关可以采取强制扣缴、变价抵缴等强制措施。

A.1个月

B.3个月

C.6个月

D.12个月

秦艽的抗炎作用机制是（）

A.兴奋下丘脑、垂体，增强肾上腺皮质功能

B.收缩血管

C.抑制白细胞的游走和吞噬能力

D.促进炎性渗出的吸收

E.调节免疫

Which of the following is closest in meaning to the sentence you just heard().

A.When his wife needs help in the kitchen, he always does it without any complaint.

B.He never stops whoever comes to help his wife in the kitchen.

C.He never goes to help his wife in the kitchen.

D.He never hesitates to help his wife in the kitchen.

职业良心与职业技能一样，是每个合格的职业劳动者必备的基本素质

电气单元特性试验有哪些？