正确答案: B

错误

题目：筛管细胞的横壁上有筛孔的部位叫筛域。( )

解析：B

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举一反三的答案和解析：

[单选题]What was the normal price of the T-shirt?

$30.

[单选题]裸藻门中的无壁类型为自养植物，而具壁类型行腐生生活或动物式营养。( )

错误

解析：解析：裸藻门中的具载色体的种类为自养型，而无载色体的种类行腐生生活或动物式营养。

[单选题]在植物体内，进行各种代谢活动的主要组织是( )。

薄壁组织

[单选题]How did Christy McKinley know Ms. Schatzman's opinion of the chi tea?

She talked to her on the phone.

[单选题]What can we learn from the last two paragraphs?

'IV sets shouldn't be allowed in children's bedrooms,