题目内容

Students of ________ grades are those studying in the first three grades of elementary school.

A. entry
B. basic
C. main
D. primary

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In the 1700's North American colonists proclaimed their wealth and social ________ by wearing elaborate clothing.

A. responsibility
B. events
C. organization
D. status

She goes to the dentist to have her teeth ________ twice a week.

A. looked
B. watched
C. observed
D. inspected

This kind of plant ______ a lot of water at all times.

A. assumes
B. limits
C. produces
D. requires

Drinking alcohol can ________ your ability to drive properly.

A. effect
B. affect
C. remove
D. avoid

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