我国辽中南工业发展最主要的优势是( ) A.煤炭资源丰富 B.水运便利 C.农产

题型:选择题

问题:

我国辽中南工业发展最主要的优势是(  )

A.煤炭资源丰富

B.水运便利

C.农产品丰富

D.工业基础好

考点:中国的工业
题型:选择题

Mrs. Sato is not happy. It is her birthday, and she has no families with her.

Mrs. Sato goes to the telephone and calls a company (公司) in Tokyo, Japan.

“Hello”, a woman answers. “Hello”, Mrs. Sato says. “I’d like to rent a family.”

“What would you like?”The woman asks Mrs. Sato. “A son? A daughter? Some grandchildren?”

“I’d like to rent a daughter, two grandchildren and their father.” Mrs. Sato says. “OK, the cost is $ 1, 000 for three hours.” The woman says.

At seven o’clock that evening, four actors(演员)come to Mrs. Sato’s house—a woman, a man, and two children. “Happy Birthday!” the actors say. The actors are with Mrs. Sato for three hours. They talk with her, eat dinner with her, and watch TV with her. Then they go home. Mrs. Sato is happy.

No one came to Mrs. Sato’s birthday, so she called Rent-A-Family. Rent-A-Family is a new company in Tokyo. The company sends(派)“families” to people’s houses. The families are really actors. The actors visit for three hours. The cost is $ 1, 000.

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小题1: Mrs. Sato is sad because ______.

A. her husband died(去世)

B. no families come for her birthday

C. her daughter died

小题2:He calls to ______.

A. her daughter            B. her son          C. a company

小题3:That evening, ______ have the birthday party with Mrs. Sato.

A. her daughter’s family  

B. some people near her house

C. some people from the company

小题4: Those people stay in her home for ______.

A. three hours                 B. a night              C. a day

小题5:What’s the word“rent”in Chinese? It’s ______. 

A. 买                      B. 租               C. 借 

题型:选择题
不等式组
x>0
y>0
4x+3y<12
表示的平面区域内的整点(横坐标和纵坐标都是整数的点)共有______个.
题型:选择题

引起BUN升高最常见的疾病是()。

A.急性肾衰竭

B.剧烈呕吐

C.大面积烧伤

D.前列腺肥大

E.肝硬化

题型:选择题

抢救革兰阴性菌引起的感染性休克时,早期大剂量肾上腺皮质激素应用的最主要的理由是()

A.减轻炎性反应

B.减轻毛细血管的通透性

C.增加心肌收缩力

D.降低内毒素的毒性作用

E.稳定溶酶体膜

题型:选择题
如图所示,在x轴上方存在着垂直于纸面向里、磁感应强度为B的匀强磁场,一个不计重力的带电粒子从坐标原点O处以速度v进入磁场,粒子进人磁场时的速度方向垂直于磁场且与x轴正方向成120°角,若粒子穿过y轴正半轴后在磁场中到x轴的最大距离为a,则该粒子的比荷和所带电荷的正负是(  )

A.,正电荷

B.,正电荷

C.,负电荷

D.,负电荷

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