
【名词&注释】
发展前景、混合物(mixture)、氧化镁(magnesium oxide)、氧化钙(calcium oxide)、高锰酸钾(potassium permanganate)、氧化铜(copper oxide)、克隆人(human cloning)、不符合(inconformity)、硝酸银溶液(silver nitrate solution)
[单选题]下面关于:“克隆人(human cloning)”的说法不符合(inconformity)文意的一项是
A. "克隆绵羊"的问世引起了许多人对"克隆人(human cloning)"的兴趣。
B. 把人的细胞克隆成一个胚胎,可以为人类自身提供"配件" 。
C. "克隆人(human cloning)"有可能会带来许多有关伦理、道德和法律等问题。
D. "克隆人(human cloning)"的研究给人类带来无限的好处,其发展前景极为乐观。
查看答案&解析
举一反三:
[单选题]A lovely girl, ______?
A. isn’t she
B. isn’t it
C. is she
D. it
[多选题]②将铁粉和铜粉的混合物放入硝酸银溶液(silver nitrate solution)中,反应结束后,对剩余固体成分的判断正确的是______。
A. 肯定有银
B. 肯定有铜
C. 可能有铁
D. 可能是铁和银
[单选题]三角形的一个外角是锐角,则此三角形的形状是( )
A. 锐角三角形
B. 钝角三角形
C. 直角三角形
D. 无法确定
[单选题]28. What has happened to students these years according to the passage?
A. The students don't have to think anymore.n school.
B. The students use calculators in math class.
C. The students used to walk to school,but now they don't.
D. All of the above.
[单选题]下列四组物质中,均属于氧化物的是
A. 氧气、氧化钙、四氧化三铁
B. 水、二氧化硫、高锰酸钾
C. C,空气、氧化铜、五氧化二磷
D. 干冰、氧化镁、二氧化锰
[单选题]AThis is a picture of my bedroom. It is a nice room. The door is here. And a foot-ball is behind it. My desk is near the window. You -can see a chair behind the desk.You can see some books and flowers on it. My English books are in my backpack. The bag is now behind the chair.
A. It’s a picture of __________.
B. my family
C. my bedroom
D. my desk
[单选题]22. The train is unlike most Chinese trains except its ______
A. windows
B. toilets
C. sockets
D. rubbish
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