正确答案: B

错误

题目：蚕豆的蝶形花冠中翼瓣上部连合。( )

解析：B

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举一反三的答案和解析：

[多选题]下列藻类植物的生活史中，具核相交替的是( )。

团藻

硅藻

紫菜

解析：BCD

[单选题]BWhat is Bay? The simple answer is that it is a global trading platform. where nearly anyone can trade practically anything. People can sell and buy all kinds of products and goods. Including cars, movies and DVDs, sporting goods, travel tickets, musical instruments, clothes and shoes- the list goes on and on

a way of buying and selling goods