正确答案: B

错误

题目：裸子植物的胚乳和被子植物的胚乳都是受精后的产物。( )

解析：B

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举一反三的答案和解析：

[单选题]49

year

[单选题]根中初生韧皮部在次生韧皮部的外方。( )

正确

[单选题]

went away

[单选题]ESunday is more like Monday than it used to be, Places of business that used to keep daytime “business hours” are now open late into the night. And on the Internet, the hour of the day and the day of the week have become irrelevant (不相关的).A half century ago in the United States, most people experienced strong and precise dividing lines between days of rest and days of work, school time and summer time. Today the boundaries still exist, but they seem not clear.

the line between work time and rest time is unclear

[单选题]散剂按医疗用途可分为（ ）。

内服散剂与局部用散剂

[单选题]What can be inferred from the passage?

Some place names in Singapore are the same as in Britain.

[单选题]边材不同于心材之处为边材( )。

具输导能力

[单选题]42____

larger