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  3. At first, the new lightweight drill has been invented to According to the passage, the new drill

At first, the new lightweight drill has been invented to According to the passage, the new drill

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问题 At first, the new lightweight drill has been invented to
According to the passage, the new drill
选项 A、can’t drill holes in different cross-sections.
B、needs significant weight on the bit when drilling the hardest rocks.
C、needs more watts of power though it is cheaper than rotary drill.
D、can work well in a range of temperatures from extremely cold to very hot.
答案D
解析 事实细节题。第二段第五句"The drill can be adapted easily to operations in a range of temperatures from extremely cold to very hot．"指出"钻孔机可方便地用于各种操作，在极冷到极热的情况下都能使用"。因此，"在极冷到极热的情况下都能良好运转"正是对本句内容的同义转述。
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