题目内容

The importance of green spaces in the city environment ______.

A. has been recognized
B. is paid little attention to
C. is accepted on the base of scientific proof
D. is still unknown

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A．looksB．needsC．putsD．finds

A. looks
B. needs
C. puts
D. finds

【B15】

A. to extent
B. to some extent
C. to the extent
D. to an extent

水平沟通在雇员之间进行得较多，而在管理者之间则进行得相对较少。 ()

A. 正确
B. 错误

【B7】

A. owes to
B. leads to
C. leads into
D. attributes to