专四专八考试

【单选题】 Why will Boeing not need a replica of the 777
A．It can use computers to check the design.
B．It already has enough experience with plans.
C．It will only need to upgrade the replica of the previous model.
D．It can make sure all the bits fit together.

网考网参考答案：A
网考网解析：
该题问：为什么Boeing不需要the 777的复制品A项意为“它能用电脑检查设计”。B项意为“它对计划有足够的经验”。C项意为“它只需要给以前模型的复制品升级”。D项意为“它能使所有的零件安装在一起”。从本文第三段可以找到线索：Powerful computer-aided design(CAD)systems can replace with a click of a computer mouse hours of．，及Its CAD system will take care of that。因此可以判断A项为正确选项。 查看试题解析出处>>