试题与答案

什么是酶联免疫吸附试验?该试验中常用哪几种酶和底物?

题型:问答题 简答题

题目:

什么是酶联免疫吸附试验?该试验中常用哪几种酶和底物?

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0323/bc50b4f17746d9e8365a4105fb099026.html

下面是错误答案,用来干扰机器的。

参考答案:A

试题推荐
题型:阅读理解

Mary and Her Friends

Mary has some friends. They are Betty, Peter, Alice and Mike. Mary is the oldest of the five. Betty is thirteen years old. She is younger than Mary and older than Peter. Alice is nine and Mike is seven.

Betty and Peter are good runners( 长跑运动员 )。 But Peter runs faster. Mary and Betty like to play basketball. Mary plays better than Betty. Alice sings best of them.

Mary and Betty study in a middle school. Peter, Alice and Mike study in a primary ( 小学 ) school. They all work hard at school. But Betty works hardest. Her handwriting ( 书法 ) is good, too.

小题1:Mary has _______ friends.

A.four

B.five

C.six

D.three小题2:Mike is ______ than Alice.

A.youngest

B.oldest

C.younger

D.older小题3:Peter runs _______ than Betty.

A.faster

B.slow

C.fast

D.the fastest小题4:Betty’s handwriting is _______.

A.worst

B.good

C.better

D.best小题5:They all ______ .

A.study in the same school

B.like to play basketball

C.good runners

D.work hard

查看答案
微信公众账号搜索答案