题目内容

The lack of forests and vegetation, and___ecological environment are still problems that need tremendous efforts.

A. fragure
B. fragile

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All music comes from one's heart and soul. When emotions stir in one's heart, it will find expression through a proper combination of sounds. Aconsisting of various rhythmical sounds is called music. (The Book of Rites)

A. tone
B. tune

Itwasthe firstgoalhehad scoredsincehis___fromChelsea.

A. transform
B. transfer

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A. leak
B. lean

Theof one’s nation would never be forgiven by its people.

A. betrayer
B. betrayor