单项选择题

Scientists have to work hard to keep（）with moderndiscoveries and developments.

A.company
B.track
C.touch
D.pace

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单项选择题

We find（）necessary for us students to rememberEnglish words as more as possible if we want to master the language.

A．that
B．it
C．this
D．him

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基金份额净值应当在估值日后3个工作日内披露。( )

A.正确
B．错误