中国移动WLAN的认证方法为（）。A.PPPOE B.WEB/PORTAL C.80

下图为世界石油、天然气某主要产区分布示意图，读图完成7-9题。

小题1:图示的油田、气田分布在

A．墨西哥湾及沿岸地区

B．几内亚湾及沿岸地区

C．亚丁湾及沿岸地区

D．波斯湾及沿岸地区小题2:图示区域全年降水稀少，主要原因是

A．受中纬西风带的影响

B．受副热带高压的影响

C．受东南信风带的影响

D．受近海区寒流的影响小题3:不需从图示地区进口原油的国家是

A．美国

B．中国

C．俄罗斯

D．日本

When I was young, my parents ran a snack bar in our small town.One evening in early April, my mother told me to fill in at the snack bar (1) a worker who had the flu. I told her I would mess it up, (2) I had never worked at the bar before. I (3) that instead of making money, I would end up owing it."You can do it," said my mother," (4) , you won’t get much business until lunch. ""But I’ll never remember the orders, and I’m no good (5) money. Please, Mom, don’t (6) me."Then I’ll help you", she said.I shrugged my shoulders. I thought my mother’s (7) was a bad one, but I (8) .When I got to the bar the next day, I found my mother was (9) . Because the weather that day was rainy and cold, people wanted hot snacks and drinks. (10) , I was really slow at taking the orders and making change. The line of people grew, and everybody seemed (11) , I was so nervous that my hands shook, and I (12) a cup into pieces. What a mess! Then my mother came to (13) me, and she also showed me how to make (14) . If someone gave me $ 5 for something that cost $ 3.25, I handed over (15) quarters and a dollar and said, "75 cents makes four dollars, plus one dollar makes five. " Things went more (16) after that.By the end of the day, I could remember orders, (17) the bill, and make change quickly with a smile. I was even a little (18) when the sun came out and dried up business. My mother said she was proud of me, and when she (19) that I work at the snack bar again next year, I did not even shrug. I was too busy (20) the restaurant I would open one day.

第（14）空应选择（）

A．money

B．lunch

C．coffee

D．change

诊断运动终板功能障碍最敏感的方法是（）

A.运动功能传导速度测定

B.重复神经电刺激

C.单纤维肌电图

D.感觉功能传导速度测定

E.高频刺激肌电图

口语和书面语的关系是什么？

修正值除以真值是相对误差。