按要求改写句子。 1. Is he from Beijing ?(同义句转换)

题型:句型转换

问题:

按要求改写句子。

1. Is he from Beijing ?(同义句转换)

     _____ he _____ from Beijing ?

2. He does his homework every evening (改为否定句)

    He _____ _____ his homework every evening .

3. They read newspapers in the reading room. (对划线部分提问)

     _____  _____ they read newspapers?

4. There are some apples in his locker. (改为否定句)

    There _____ _____   in his locker.

5. You can't bring your dog here.(改为祈使句)

    _____ _____ your dog here.

6. My father is a teacher .My mother is a teacher, too.  (改为同义句)

    My _____ are _____  teachers.

7. He usually goes home on foot. (改为同义句)  

    He usually_____ _____ .

考点:一般疑问句可数名词(单数名词,复数名词)不定代词副词实义动词系动词
题型:句型转换
当x______时,二次根式
3-2x
有意义.
题型:句型转换

如图所示,倾角为α=60°的斜面上,放一定质量的物体,用k=100N/m的轻质弹簧平行于斜面吊着,物体放在PQ之间任何位置都能处于静止状态,而超过这一范围,物体都会沿斜面滑动,若AP=22cm,AQ=8cm,试求物体与斜面间的最大静摩擦力的大小。(g取10N/kg)

题型:句型转换

下列有关厨房里的物理知识,说法正确的是 [ ]

A.磨快了刀切菜更容易,是因为减小了刀和菜的接触面积从而增大了压强

B.用高压锅煮饭比较快,是因为高压锅比较厚

C.淘米时米沉在水底,是因为米的密度小于水

D.用筷子来夹食物时,筷子一定是省力杠杆

题型:句型转换

社会粮食、食用油消费量指什么?

题型:句型转换

在离心泵运行中,造成泵抽空事故的原因是()。

A.吸人高度过低

B.吸入管路内液体压力过小

C.进泵流量增大

D.密封泄漏量大

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