—He’s not married Laura, ____? —____. Th

题型:选择题

问题:

—He’s not married Laura, ____?

—____. They will celebrate their one year of marriage this Sunday.

A.has he; Yes

B.is he; Yes

C.has he; No

D.is he; No

考点:反意疑问句
题型:选择题

My son and a bunch of his 13-year-old friends piled into the back seat of my car, ready for the last-day-of-school party at McDonald’s on report card day last year. “Jack got a laptop for getting straight A’s, and Laurie got a cell phone,” one boy said. “Oh, yeah, and Sarah got an iPod Nano, and she’s only in third grade,” said another. “And how about Brian? He got $ 10 for each A.”

I suddenly became concerned. These payoffs might get parents through grammar school, but what about high school and beyond? What would be left after the electric guitar, the cell phone, and the portable DVD player?

I saw the road ahead: As the homework load increased, my income would decrease. I saw my comfortable lifestyle disappear before my eyes — no more of those $5 bags of already-peeled organic carrots. No more organic anything!

I started to feel surprised and nervous. Would every goal attained by my two children fetch a reward? A high grade point average? A good class ranking? Would sports achievements be included in this reward system: soccer goals, touchdowns, runs-batted-in? What about orchestra? Would first chair pay more than second? I’d be penniless by eighth-grade graduation.

“We never paid anything for good grades,” said my neighbor across the street, whose son was recently accepted at MIT. “He just did it on his own. Maybe once in a while we went out for pizza, but that’s about it.”

Don’t you just hate that? We’re all running around looking for the MP3 player with the most updates, and she’s spending a few dollars on pizza. She gets motivation; we get negotiation.

46.Why did the writer suddenly become concerned?

A.Because many kids were getting very good grade at school.

B.Because he was worried about the current reword system.

C.Because he wasn’t making enough money to buy things for his kids’ good grades.            D.Because kids were having too many parties after school.

47.The underlined sentence “As the homework load increased, my income would decrease.” (in

Paragraph 3) probably means that _________.

A.taking care of the children would influence my work

B.I would spend more money on my children’s homework

C.reducing children’s homework load would cost me a lot

D.more rewards would be needed as the children grew up

48.The example of the author’s neighbor shows that _________.

A.pizza is the best way to encourage children

B.the author’s neighbor was very poor

C.reward is not the only way to encourage children

D.the son of the author’s neighbor’s didn’t like reward

49.It can be inferred from the passage that _________.

A.children would think that you should if you pay them for good grades

B.children would work harder if you buy them pizza for good grades

C.children would not ask for rewards when they enter high school

D.children would not ask for rewards when they enter university

50.What is the author’s attitude toward paying children reward for good grades?

A.Helpful.            B.Uncertain.                C.Unpleasant.        D.Unknowable.                                    

题型:选择题

在下列反抗国民党反动派的武装起义中,由毛 * * 领导的是

A.秋收起义

B.湘南起义

C.桑植起义

D.平江

题型:选择题

在自然界中()的特点是火焰温度高,幅射热强烈、易引发爆炸,具有复燃、复爆性,易形成大面积火灾;处于压力下的可燃烧液体发生火灾,会产生沸溢、喷溅、喷流式燃烧现象。

A、石油火灾

B、建筑物

C、森林

D、家庭

题型:选择题

下列对乙炔的性质叙述不正确的是()。

A、纯乙炔是无色无味的气体

B、工业乙炔具有毒性

C、乙炔在空气中爆炸极限为2.5~82%

D、乙炔易溶于水

题型:选择题

已知有一台清水离心泵,流量为220L/s,水泵扬程为32m,求水泵的有效功率。(g=9.8m/s2,р=1000kg/m3

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