Scarcity is a situation in which A: A) people cannot satisfy all their wants. B: B) most people can get only bare necessities. C: C) people can satisfy all their wants. D: D) some people can get all they want and some cannot.

Viruses can reproduce on their own and destroy host cells while bacteria cannot.

请翻译:Young men want to be faithful in love and are not;old men want to be faithless and cannot.()。

Making mistakes inevitable, so do not be discouraged. A: cannot be blamed B: cannot be avoided C: cannot last long D: cannot be found

Looking at what he has done for those disabled children,one ( ) forgive his sin. A: cannot B: cannot help C: cannot but D: cannot to

. Making mistakes is inevitable, so do not be discouraged. A: cannot be blamed B: cannot be avoided C: cannot last long

One ________ be struck by the enthusiasm he displayed in his work; no one can match him in terms of commitment and devotion. A: cannot help B: cannot choose but to C: cannot but D: cannot

Young men want to be faithful in love and are not; old men want to be faithless and cannot. 下列译文中符合“忠实、通顺”标准的译文是( )

Which of the following indicates POSSIBILITY? ( ) A: He cannot come today. B: The moon cannot always be at the full. C: She cannot play the piano. D: You cannot smoke inside the building.

Which of the following sentences indicates POSSIBILITY(2014) A: The moon cannot always be at the full. B: You cannot smoke inside the building. C: He cannot come today. D: She cannot play the piano.