题目内容

oily( )

A. a dry seed or fruit made up of a kernel or meat contained in a hard, tough shell. The kernel or meat of __________ is often used as food.
B. sustained thought or self-forgetful concentration, especially for the purposes of religious devotion or relaxation.
C. the ability to make or invent something original or imaginative.
D. containing a lot of oil, or covered with oil; greasy.

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chemical ( )

A. a substance used in or produced by a __________ process.
B. to carry out; do.
C. to make or grow strong or stronger.
D. likely to find fault.

concentrate( )

A. to focus attention or thought (sometimes followed by "on").
B. a gas with no color or smell that makes up about twenty percent of the earth's atmosphere and is needed by most living things.
C. to make or grow strong or stronger.
D. of the body.

broad( )

A. to focus attention or thought (sometimes followed by "on").
B. a substance used in or produced by a __________ process.
C. wide; large; full of space.
D. not usual or ordinary; not common; remarkable.

chemical( )

A. the act or sound of laughing.
B. of the body.
C. of or having to do with the science of chemistry.
D. likely to find fault.

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