She is always ________ to help others at_爱下问搜题

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问题选择题

She is always ________ to help others at school and every other student wants to play

with her________.[ ]

A. willing; willing

B. ready; willing

C. willing; willingly

D. ready; ready

答案

答案：C

单项选择题

粮食亩产量报告期比基期增长5%，其总产量却减产5.5%，粮食播种面积比基期（）。

A.扩大5%

B.扩大10%

C.缩小5%

D.缩小10%

单项选择题

在强酸性溶液中能大量共存且溶液为无色透明的离子组是（）。

A.NH、Al³⁺、SO、NO

B.K⁺、Na⁺、S^2-、NO

C.K⁺、NH、MnO、SO

D.Na⁺、K⁺、NO、HSO