正确答案: B

错误

题目：所谓无子果实就是经过单性结实产生的不含种子的果实。( )

解析：B

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举一反三的答案和解析：

[单选题]成熟蚕豆种子的种皮上一条黑色眉状物是( )。

种脐

[单选题]

educated

[单选题]My uncle’s house in the downtown area is much smaller than ours, but it is twice _______ expensive.

as

[单选题]— It’s the office! So you ( ) know eating is not allowed here. — Oh, sorry.

must

[单选题]下列有关于真核细胞生物膜的叙述，正确的是

生物膜的特定功能主要由膜蛋白决定

[单选题]满江红叶内生长着一种与固氮作用有关的植物是( )。

鱼腥藻

[单选题]第一节 阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项，并在答题卡上将该项涂黑。(共20小题；每小题2分，满分40分)A

He considered reading part of his life.