吞噬细胞功能检测中，常用的吞噬颗粒不包括（） A.鸡血红细胞 B.白色念珠菌 C.流

周末学校组织各班捡易拉罐．四（一）班的同学捡了198个易拉罐，照这样计算，全校28个班的同学大约共捡多少个易拉罐？

时间序列分析是常用商情分析工具中的一种，时间序列分析主要用于( )。

A．系统设计

B．系统描述

C．系统分析

D．预测未来

E．决策和控制

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（2）空应选择（）

A．because

B．though

C．until

D．while

阅读下面这首诗，回答⑴⑵两题。

【注释】乱离：指明、清之际的战乱。遗民：改朝换代后的人。

⑴第一句中的“已”“才”两字耐人寻味，请简要分析。

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⑵本诗表现了旧友重逢的复杂感情，请对此作简要赏析。

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关于马六甲海峡叙述错误的是[ ]

A．位于马来半岛和爪哇岛之间

B．是欧洲、非洲东行到东南亚、东亚，最短航线的必经之地

C．是连接太平洋与印度洋的重要海上通道

D．被日本称为“海上生命线”