【名词&注释】
直根系(axial root system)、羽状复叶(pinnately compound leaf)
[单选题]银杏的叶子是( )。
A. 掌状复叶
B. 羽状复叶
C. 扇形叶
D. 条形叶
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举一反三：
[单选题]在作物的间作和套种中，往往将具须根系作物和具直根系的作物搭配。( )
A. 正确
B. 错误
[单选题]一朵花中有几个雌蕊，每个雌蕊由一心皮组成，称为( )。
A. 单雌蕊
B. 离生雌蕊
C. 复雌蕊
[单选题]How did the author probably feel after he talked with his friend?
A. Proud.
B. Pitiful.
C. Surprised.
D. Regretful
[单选题]How much one enjoys himself travelling depends largely on_____he goes with，whether his friends or relatives．
A. what
B. who
C. how
D. why
[单选题]The CDs are on sale! Buy one and you get completely free.
A. other
B. others
C. one
D. ones
[单选题]When does the bank close on Saturday?
A. AT 1:00 pm
B. AT 3:00 pm
C. AT 4:00 pm
[单选题]Tim is in good shape physically he doesn't get much exercise.
A. if
B. even though
C. unless
D. as long as
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