2. 外语
  3. There is no better way to______water resources economically than to invest in a ’timed mobile sprinkler system’ for the farm, pa

There is no better way to______water resources economically than to invest in a ’timed mobile sprinkler system’ for the farm, pa

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问题 There is no better way to______water resources economically than to invest in a ’timed mobile sprinkler system’ for the farm, park, or garden. Most communities water their parks manually. This can be very inefficient and wasteful. A timed mobile system, on the other hand, will______apply the proper amount of water to every corner of the park or farm the first time around. This will save both time and money.
There are several companies that offer this type of product. Gardentools Ltd. has the GT Mobile water system, which has remote programmability via the Internet. This system retails for $4,000. The Coolshot from Watertank Ltd. is somewhat less expensive at $2,500,______has much less programmability than the GT Mobile.
选项 A、periodically
B、considerably
C、adversely
D、sparsely
答案A
解析 词汇：副词1．这是一道词汇选择题，选项均为副词。2．原文意思是“定时移动洒水机会定期进行洒水”，因此(A)为正确选项。
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