题目内容

15.菊果是由下位子房发育而来的瘦果。 ( )

A. 对
B. 错

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12.下列哪种菊科植物没有乳汁( )。

A. 蒲公英
B. 马兰
C. 黄鹌菜
D. 莴苣

13.下列哪一种植物不属于蒿属( )。

A. 黄花蒿
B. 青蒿
C. 陈茵蒿
D. 茼蒿

-- _________ does your cousin usually go to work on foot? -- He says it's good for his health.

A. Where
B. When
C. Why
D. How

Today I knew a new classmate, Ann. She is ________ America.

A. for
B. from
C. to
D. in

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