赞题库-背景图
单项选择题

A．To check the accuracy of scales.
B．To calculate the density of other metals.
C．To observe changes in the atmosphere.
D．To measure amounts of rainfall.
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热门试题

单项选择题A．His ability to play the organ.B．His interest in medicine.C．His doctoral degrees in philosophy and music.D．His talents in preaching.

A．His ability to play the organ.
B．His interest in medicine.
C．His doctoral degrees in philosophy and music.
D．His talents in preaching.

单项选择题A．He got angry with his boss.B．He always got to work late.C．He was frequently sick and absent from work.D．He prepared a financial report incorrectly.

A．He got angry with his boss.
B．He always got to work late.
C．He was frequently sick and absent from work.
D．He prepared a financial report incorrectly.