[单项选择]Addition of any chemical compound to the environment in quantities ______ a significant fraction of the total content of gasoline may have unexpected environmental consequences.
A. that constitute
B. which constitutes
C. that are substituted by
D. which substitute

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[单项选择]Nitroglycerin is an unstable chemical compound that is very sensitive to sudden movement-----dangerous to transport.
A. because
B. and therefore
C. why it is
D. making

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[单项选择]Unless the population growth stabilizes, environmentalists predict a worldwide starvation by the next decade.
A. famine
B. shortage
C. rebellion
D. infection

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[单项选择]These plastic bags will ______ damage to environment.
A. make
B. do
C. lay
D. create

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[单项选择]Not until 1959（）this compound.
A. that chemists succeeded in obtaining
B. did chemists succeed to obtain
C. chemists succeeded in obtaining
D. did chemists succeed in obtaining

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[单项选择]The combination of lenses in a compound microscope makes possible greater amplification than can be achieved with a single lens.
A. management
B. magnificence
C. magnetism
D. magnification

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[单项选择]Compound microscopes have two separate lenses or sets of lenses.

A. split
B. equal
C. detachable
D. distinct

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[单项选择]Which of the following is a compound word

A. Unsad.
B. Unsimplified.
C. Sincerity.
D. Undertake.

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[单项选择]Addition of any chemical compound to the environment in quantities ______ a significant fraction of the total content of gasoline may have unexpected environmental consequences.A. that constituteB. which constitutesC. that are substituted byD. which substitute

更多"Addition of any chemical compound t"的相关试题:

[单项选择]Addition of any chemical compound to the environment in quantities ______ a significant fraction of the total content of gasoline may have unexpected environmental consequences.
A. that constitute
B. which constitutes
C. that are substituted by
D. which substitute