单项选择题

While doctors can not prove with absolute certainty that smoking causes cancer, a lot of show a very strong link between them.______

A.当医生还不能确切证明吸烟致癌的时候，大量事实表明了二者之间确实联系紧密。
B.尽管医生们无法确切证明吸烟致癌，大量事实表明二者之间确实联系紧密。
C.尽管医生们无法证明吸烟绝对能够导致癌症，大量事实表明二者之间确实联系紧密。
D.当医生们还不能证明吸烟绝对能够导致癌症的时候，大量事实表明了二者之间确实联系紧密。

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热门试题

单项选择题

The new type of equipment will reduce the error probability by a factor of five.______

A.新型设备将使差错率减少到原来的五分之一。
B.新型设备将使差错率减少到原来的五分之四。
C.新型设备将使差错率比原来减少五分之一。
D.新型设备将使差错率净减少五分之一。

单项选择题

中国有960万平方公里的陆地国土，居世界第三位。______

A.China has a land area of 9.6 million sq. km, the third place in the world.
B.China has a land area of 9.6 million sq. km, making it the third-biggest country in the world.
C.China has a land area of 9.6 million sq. km, which was the third place in the world.
D.China has a land area of 9.6 million sq. km, which ranked the third place in the world.