A.isolatingB.removingC.dividingD.separating

【题目】—May I help you? You seem to be having some problems.
—, thanks. I think I can manage.
A.All right
B.No problem
C.It's all right
D.There's no way

A.stick toB.refer toC.keep toD.get to

【题目】Carl is studyingfood science at college and hopes to open upmeat processing factory of his own one day.
A./ ; a
B./ ；the
C.the; a
D.the; the

A.broken outB.broken intoC.broken upD.broken down

【题目】The map is one of the best tools a man has _ _ he goes to a new place.
A.whenever
B.whatever
C.wherever
D.however

【题目】"Genius" is a complicated concept, _ _ many different factors.
A.involved
B.involving
C.to involve
D.being involved