【单选题】 If used ______, even the most poorly designed cell phone should be able to function for at least three years.
- (A) continuously
- (B) sparingly
- (C) fortunately
- (D) uncertainly
网考网参考答案：B
网考网解析：
[词汇] sparingly节俭地 [错误答案] (A)连续不断地(C)幸运地(D)不确定地 查看试题解析出处>>
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