正确答案: D

薄壁组织

题目：在植物体内，进行各种代谢活动的主要组织是( )。

解析：D

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举一反三的答案和解析：

[单选题]下列哪种植物的种子属于有胚乳种子?( )

蓖麻

[单选题]C Too much TV-watching can harm children’s ability to learn and even reduce their chances of getting a college degree, new studies suggest in the latest effort to examine the effects of television on children.One of the studies looked at nearly 400 northern California third-graders. Those with TVs in their bedrooms scored about eight points lower on math and language arts tests than children without bedrooms TVs.

have watched a lot of TV

[单选题]如果甲国年利率为1%，乙国货币对甲国货币呈贬值趋势，预期一年后贬值为2%，那么，不考虑其他因素的条件下，从投资的角度看

更多的资金将会流向甲国

[单选题]Bras Basah Road is named _______.

after an activity

[单选题]边材属次生木质部，心材属初生木质部。( )

错误

[单选题]Could I speak to ______ is in charge of International Sales please?

whoeverD． whatever