在制备抗体酶的方法中的引入法是借助基因工程和蛋白质工程来制备的.
参考答案：对
I’d appreciate ____ if you would like to teach me how to use the computer.
A．that
B．it
C．this
D．you
当采用其他方法能达到扫线和清洗标准体积管的目的时，标准体积管可不设辅助系统。
I’d appreciate ____ if you would like to teach me how to use the computer.