下列国家中，同我国黑龙江省相邻的国家是[ ] A、蒙古国 B、韩国 C、朝鲜 D

佣金的支付通常采用______。

A．交易达成前预付

B．达成交易时支付

C．卖方收到全部货款后支付

D．中间商在付款时直接从货价中扣除佣金

E．合同履行后逐笔支付或按约定期限支付

患者，女，30岁，痛经，经血夹有大量血块，过食肉食后出现脘腹疼痛，嗳腐吞酸，查大便见有蛔虫卵，下肢有疥癣，瘙痒难忍。

该患者首选的杀虫药是（）

A.槟榔

B.南瓜子

C.鹤牙草

D.使君子

E.苦楝皮

During our two months on the road, Bennett and I had a really (1) experience with a good, honest (2) and some helpful mechanics.

We were driving east on Highway 10 when our "chick engine" light came on. We limped of a(n) (3) into Las Cruces. We had a real car (4) Bennett nursed the ear into a local garage. By this time the car was missing so (5) it was shaking all over. This was the (6) time to arrive at a garage—late Friday afternoon. Service adviser Scott was busy (7) paper work and customers as we (8) our problems. (9) he was already "ten cars behind", he told us to pull the car into the garage.

Lincoln, who we later (10) was one of the two motor technicians, took (11) of our car repairing. He and Scott and some other mechanics stayed several hours after closing, (12) the car.

Early the next morning (the shop was officially closed on Saturdays), Lincoln finally located the (13) and fixed it easily within only (14)

Later Scott (15) out to us that it was our attitude that helped. "You didn’t come into the place demanding this or that. You showed an (16) of our problems on a busy Friday afternoon. Customer’s attitude means a lot. " He was right in some way, customers should show (17) and understanding to people who (18) them. (19) people were extremely busy, they found way to at least try and help when they are met with politeness.

The pleasant experience I had shows that (20) for other people can always help.

12（）

A.building 

B.examining 

C.repairing 

D.driving

符合结构化原则的三种基本控制结构是：选择结构、循环结构和______。

蜘蛛痣最常见的部位是（）

A.颈面部

B.腰部

C.下胸部

D.四肢

E.背部