番茄红果对黄果为显性，圆果对长果为显性，且控制这两对性状的基_爱下问搜题

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问题选择题

番茄红果对黄果为显性，圆果对长果为显性，且控制这两对性状的基因自由组合。现用红色长果番茄与黄色圆果番茄杂交，从理论上分析，其后代的基因型不可能出现的比例是[ ]

A．1：0

B．1：2：1

C．1：1

D．1：1：1：1

答案

答案：B

改错题

下面短文中有8处语言错误。请在有错误的地方增加、删除或修改某个单词。
增加：在缺词处加一个漏字符号（∧），并在下面加上该加的词。
删除：把多余的词用斜线（\）划掉。
修改：在错的词下划一横线，并在该词下面写上修改后的词。
注意：1. 每处错误及其修改均仅限一词；
2. 只允许修改8处，多者（从第9处起）不计分。

例如：
It was very nice to get your invitation to spend ∧ weekend with you. Luckily the

I was completely free then, so I’ll to say “yes”. I’ll arrive in Bristol at around 8 p.m.
am
in Friday evening.

My uncle will n ever forget what was happened to him yesterday. He was invited to a inn and drank a lot of beer with his old friends. Finally, he got drunk. He insisted driving home after the meal, though his friends try to persuade him not to. A few minutes later, he was winding his ways on the street. And his car ran into a tall tree. Lucky, he was still alive. The police came to the scene, and he was taken to the hospital. Naturally, they had to stay in hospital for some days. Worse still, his driving license was taken away. How he regrets which he has done!

判断题

心理咨询是面对面的心与心的交流活动。