搜题请搜索小程序“爱下问搜题”
问题 单项选择题

当基因组DNA长度为野生型入噬菌体基因组多少时，不会明显影响存活能力（）

A.78％~90％

B.60％~78％

C.78％~105％

D.105％以上

答案

参考答案：C

单项选择题

泪水，年幼时，你不停的______。渐渐的你年长了，你开始慢慢的变得______。因为它已经不多，也因为你不再天真，因为你已经懂得珍惜你的泪水和你的感情。

填入横线部分最恰当的一项是（）。

A．挥霍；吝啬

B．浪费；小心翼翼

C．挥霍；小心翼翼

D．浪费；吝啬
查看答案
单项选择题

When you open a file or run a program in a computer, a window appears on the desktop of your computer. The (67) of the window indicates which program you are currently working in arid its color will become blue if a window is active. When you click on The (68) , the window disappears and appears as a button on the taskbar. Clicking on a button in (69) will invoke a specific command.

A．maximize button

B．restore button

C．close button

D．minimize button
查看答案