抗感冒药的组方原则增强解热镇痛药的疗效，拮抗抗组胺药的嗜睡作用 A．咖啡因 B．抗过

根据对话意思和所给首字母，写出完整正确的单词。

Dear Li Lei,

Thank you for your last letter. I’d like to tell you about a good (1) f  __  of mine. His name is John. Next week, he will (2) v  ___  China, but he knows nothing about the country. Can you (3) m  ___  him at the airport?

Look, here is a picture of him. He is tall with short, black hair. He has two (4) b  _ ___  eyes. On the day he arrives, he will wear a light blue shirt and white trousers. He doesn’t wear

(5) g  ____ .

Could you help me? Thank you very much.

IC卡防磁、防一定强度的静电、抗干扰能力强，可靠性比磁卡高，一般可重复读写（）以上，使用寿命长。

A、2万次

B、5万次

C、8万次

D、10万次

下列构成交割违约的有（）。

A．在交割日，交割仓库未向标准仓单持有人交付规定货物

B．在交割日，卖方期货公司未向期货交易所交付标准仓单

C．在交割日，买方期货公司未向期货交易所账户交付足额货款

D．在交割日，期货交易所未核实标准仓单

给煤机照明电源的位置？

以故障码查取故障属于（）。

A、随车诊断

B、人工诊断

C、备件替代诊断

D、故障树诊断