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【多选题】
生态系统服务价值的特征有( )A.
遗产价值
B.
空间固定性
C.
用途多样性
D.
整体有用性
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举一反三
【单选题】- Do you remember the old man _____ a big dog? - Yes. I was afraid of it when I passed his house.
A.
used to having
B.
used to have
C.
was used to have
D.
was used to having
【单选题】- did you start to swim? -When I was 7 yeas old. [ ]
A.
What
B.
How soon
C.
How long
D.
When
【单选题】—You fly the kites very well. —Thank you. I________ kites when I was 7 years old. [ ]
A.
can flew
B.
could flew
C.
can fly
D.
could fly
【单选题】--- ____? 一Because I got a job here,
A.
How old are you
B.
When did you come here
C.
WbydoyoucametoliveinChina
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