
【名词&注释】
生态环境(ecological environment)、板蓝根(isatis root)、观赏价值、十字花科(cruciferae)、日照时间(sunshine time)、合欢花(flosalbiziae)、淡红色(faint red)
[单选题]筛管分子间有穿孔相通,其中有联络索通过。( )
A. 正确
B. 错误
查看答案&解析
举一反三:
[单选题]绿地对城市生态环境的作用,下列叙述正确的是
A. 调节城市大气碳氧平衡 有明显的增温降湿效应
减少城市地区日照时间 消除城市大气酸雨污染
[单选题]十字花科(Cruciferae)的菘蓝(大青)的根可作“板蓝根”入药。( )
A. 正确
B. 错误
[单选题]Where can we most probably read this text?
A. In a personal diary
B. In a science report
C. In a travel magazine
D. In a geography textbook
[单选题]合欢花(flosalbiziae)(Albizia julibrissin)的观赏价值在于其花丝长而呈淡红色(faint red)。( )
A. 正确
B. 错误
[单选题]When did the accident happen?
A. At about 8:00 am.
B. At about 9:00 am.
C. At about 10:00 am.
[单选题]
A. experiences
B. schedules
C. data
D. position
[单选题]Children need friends their own age to play with.
A. of
B. for
C. in
D. at
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