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【多选题】
依生长类型，园林树木可分为：（）A.
B.
灌木类
C.
形木类
D.
E.
果木类
F.
藤木类
G.
根木类
H.
匍地类
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】下列说法正确的是( )。
A.
生态监测是比生物监测更复杂、更综合的一种监测技术
B.
生态监测重点是放在生态系统的生物反应上
C.
生态监测是利用“生态”来作“仪器”进行监测环境质量
D.
上述说法都对
【简答题】A fall B decrease C refuse D rise
【简答题】You ______ her at the beginning, but now it is too late． A．ought to refuse B．have ought refuse C．ought to have refused D．ought have refused
【单选题】A refuse collection becomes a "sanitary engineer" because ______.
A.
"refuse collector" is a job people don't like to do
B.
"refuse collector" is too formal
C.
people enjoy freedom in their choice of words
D.
the elegancy of language is admired by the American people
【简答题】说明生态监测与生物监测的关系。
【单选题】Which grasslands are widely introduced in this unit?
A.
Hulunbuir grassland.
B.
Both the Hulunbuir and Xilingol grasslands.
【简答题】宏观生态监测和微观生态监测两者之间有何区别与联系?
【单选题】The environmentalists said wild goats’ __________ on the vast grasslands was a good indication of the better environment.
A.
escape
B.
absence
C.
attendance
D.
appearance
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