DB2数据库管理系统为了提高性能，当连接所涉及的事实表达到3个或3个以上的时候，DB

某公司进口一批生羊皮，请根据所提供的单据，完成相关的判断题。

该批货物的检验检疫费以货物总值为计费基础。()

根据支付结算法律制度的规定，下列关于国内信用证的表述中，符合规定的有( )。

A．国内信用证为不可撤销、不可转让的跟单信用证

B．国内信用证结算方式只适用于国内企业之间商品交易的货款结算

C．国内信用证既可用于转账结算，也可用于支取现金

D．国内信用证开立申请人，应当向开证行缴纳不低于开证金额20%的保证金

用所给词的适当形式填空。

1. The exams are in July, but the ______ (actually) results don't appear until September.

2. It becomes warm _______ (gradual).

3. It is generally thought that traveling abroad can ______ (rich) one's knowledge.

4. He is poor at _______ (spell).

5. I'll speak with her _______ (late).

6. The _______ (identify) of the accident victims took some time.

7. He comes to visit me _______ (frequent).

8. He wrote her a poem as an _______ (express) of his love.

9. It is ______ (request) that all members be present at the party.

10. We've agreed on _______ (Spanish) for our holiday next year.

生物化学需氧量表示污水及水体被（）污染的程度。

A.悬浮物

B.挥发性固体

C.无机物

D.有机物

世界性三大木本药材分别为（）。

A.紫玉兰、杜仲和小檗

B.厚朴、杜仲和黄檗

C.接骨木、忍冬和苦木

D.合欢、马桑和刺楸