热点试题

[ 数学 ] 某水库的水位上升3m记作+3m,那么水位下降4m记作______m.

某水库的水位上升3m记作+3m,那么水位下降4m记作______m.

2016-05-17 | 0

[ 数学 ] 有理数a、b在数轴上的对应的位置如图所示,则 [     ] A.a+b<0B.a+b>0

有理数a、b在数轴上的对应的位置如图所示,则
[    ]
A.a+b<0
B.a+b>0
C.a﹣b=0
D.a﹣b>0

2016-05-17 | 0

[ 数学 ] 下列计算中,结果错误的是(    )A.a·a2=a3B.2x3-x3=x3C.(ab)2

下列计算中,结果错误的是(    )
A.a·a2=a3B.2x3-x3=x3C.(ab)2=ab2D.(-x)6÷(-x)2=x4

2016-05-18 | 0

[ 数学 ] 小红、小华两人取三枚硬币玩抛硬币的游戏,他们在第一枚的正面贴上红色标签,反面贴上蓝色标签;

小红、小华两人取三枚硬币玩抛硬币的游戏,他们在第一枚的正面贴上红色标签,反面贴上蓝色标签;在第二枚的正面贴上蓝色标签,反面贴上黄色标签;在第三枚的正面贴上黄色标签,反面贴上红色标签.游戏时,其中一人同时抛掷三枚硬币,另一人作记录.游戏规则是:若抛出的三枚硬币落地后,有红色标签朝上(如红黄蓝或红红黄等等),则小红得1分,小华得O分;否则小华得1分,小红得O分.谁先得满1O分,谁就获胜.你认为这个游戏对双方公平吗?说说你的理由.如果不公平,你打算怎样改动游戏规则,使之变成公平的游戏?如果是公平的,试改动游戏规则,使小红取胜的可能性更大些.

2016-05-18 | 0

[ 数学 ] X+40%X=42 120%X-X=24 80%X=120 76%X-21%X=110.

X+40%X=42 120%X-X=24 80%X=120 76%X-21%X=110.

2016-05-21 | 0

[ 数学 ] 圆的直径扩大4倍,圆的面积也扩大4倍.______.

圆的直径扩大4倍,圆的面积也扩大4倍.______.

2016-05-21 | 0

[ 语文 ] 下列加粗词的读音全都正确的一项是 [     ] A.环珮(pèi)  B.江渚(zhǔ)

下列加粗词的读音全都正确的一项是[    ]
A.环(pèi) 
B.江(zhǔ) 
C.绕(liáo)
D.边(sài) 
识(shěng) 
(zhǒng) 
(qiáng) 
森(xiāo)  
倒(liáo)  
带(pèi)   
森(yīn)   
(sài) 
源(sù)    
孤舟一(xì)
(zhù)   
(zhēn)  

2016-05-26 | 0

[ 英语 ] 阅读理解。      Today is Sunday. I haven't got any

阅读理解。
     Today is Sunday. I haven't got any classes. I'd like to visit my grandparents in the morning. They are
seventy years old. In the afternoon, I'd like to play basketball with my friends. We all like playing basket-
ball. In the evening, I'd like to do my homework. Then I watch TV. 
1. Today is _____.
A. Friday
B. Saturday
C. Sunday
D. Monday
2. I'd like to _____ in the morning.
A. visit my grandparents
B. do my homework
C. go to the park
D. go to the cinema
3. I'd like to _____ in the afternoon.
A. play football
B. play basketball
C. see a film
D. watch a basketball match
4. I like playing _____.
A. tennis
B. basketball
C. football
D. table tennis
5. I _____ in the evening.
A. watch TV
B. don't watch TV
C. don't do my homework
D. read books

2016-05-27 | 0

[ 英语 ] 补全对话, 从方框中所给的选项中选择正确的选项补全对话。 W: Can I help yo

补全对话, 从方框中所给的选项中选择正确的选项补全对话。
W: Can I help you?
M: Yes. 1______
W: Do you like the white one?
M: No, 2______ That yellow one looks nice.
W: Yes. Please try it on.
M: Oh, it's too long for me. 3______
W: Certainly. Here you are.
M: Good! This is nice. 4______
W: 30 dollars.
M: 5______
A: I'd like a dress, please.
B:  How much is it?
C: OK, I'll take it.
D: Could you give me a short one?
E:  I don't like the color.

2016-05-28 | 0

[ 英语 ] 根据所给汉语完成下列句子,每空词数不限。 1. 昨天由于大雨工人们不得不呆在家里。    

根据所给汉语完成下列句子,每空词数不限。
1. 昨天由于大雨工人们不得不呆在家里。 
    Yesterday the workers had to stay at home _________ the heavy rain.
2. 妈妈,别为我担心!我会照顾好自己的。
    Mum, don't _________ me! I can look after myself well now.
3. 琼在我们当中最心灵手巧了,但她从来不炫耀自己。
    Joan is the most practical of us, but she never _________.
4. 当你遇到危险的时候你应该镇定。
    You should _________ when you are in danger.
5. 还有什么需要我帮忙的吗?
    Is there _________ that I can do for you?

2016-05-28 | 0