这可以让大家很好练习六级的真题 2007年6月23日大学英语六级(CET-6)真题试卷(A卷) Part I Writing (30 minutes) Directions: For this part, you are allowed 30 minutes to write a short essay entitled Should One Expect a Reward When Doing a Good Deed? You should write at least 150 words
2007年6月23日大学英语六级(CET-6)真题试卷(A卷) Part I Writing (30 minutes) Directions: For this part, you are allowed 30 minutes to write a short essay entitled Should One Expect a Reward When Doing a Good Deed? You should write at least 150 words following the ou
For the perpetual wireless sensor network (WSN), energy harvesting (EH) technology is emerging as a promising solution. However, the randomness and the instability of the harvested energy may lead to the occurrence of the temporal death, which is ha
