How does the new vaccine work？A．By activating an immune response.B．By selecting one or two

How does the new vaccine work？

A．By activating an immune response.

B．By selecting one or two genes.

C．By awaking the entire parasite.

D．By deactivating the entire parasite.

请帮忙给出正确答案和分析，谢谢！

您可能感兴趣的试题

How does the woman get to work？A．On foot.B．By train.C．By car.D．By bus.

答案解析
How does the woman feel about her new job？A．Interesting.B．Boring.C．Inspiring.D．Challenging

答案解析
Why does the author mention New York City in line 6 ？A．To emphasize how small the populati

答案解析
What does the woman say about the mechanic？A．He only works on new cars.B．He has fixed her

答案解析
What does the man say about his new boss？A．He distributes too much work.B．He is a workahol

答案解析
"How does the human brain work？" remains one of the most profound questions confront moder

答案解析
How does the “circle of safety” work in the modern days？（More than one correct answe

答案解析