单选题The biggest advantage of this product is that ______.A it will be faster and cheaper than manual laborB it can climb mountainsides, drill holes, insert bars and cementC it can collect data on the slope’ s stabilityD it can drill without a human being o
题目
单选题
The biggest advantage of this product is that ______.
A
it will be faster and cheaper than manual labor
B
it can climb mountainsides, drill holes, insert bars and cement
C
it can collect data on the slope’ s stability
D
it can drill without a human being on board
相似考题
参考答案和解析
正确答案：
B
解析：
从第二段The idea is to operate a machine far away that can drill with out a human being on board一句以及第一段讲滑坡人工抢险的危险，可知这种产品的最大优点就是无人操作的安全性。
从第二段The idea is to operate a machine far away that can drill with out a human being on board一句以及第一段讲滑坡人工抢险的危险，可知这种产品的最大优点就是无人操作的安全性。