Corn is the principal food of stem borers that live on continents other than North America.
The wasps are capable of surviving in North America long enough to eat significant numbers of stem borers.
No wasp in North America is closely related to the species of wasp that eats stem borers.
On continent other than North America, the wasps control stem borers more effectively than does any other pest control measure.
Corn crops on continents other than North America are not damaged by any insect pests other than stem borers.
7.In the country of Laurelia, legal restrictions on the sale of lock-picking equipment were relaxed ten years ago, and since then Laurelias burglary rate has risen dramatically. Hence, since legally purchased lock-picking equipment was used in most burglaries, reintroducing strict limits on the sale of this equipment would help to reduce Laurelias burglary rate. Which of the following, if true, gives the strongest support to the argument?
Laurelias overall crime rate has risen dramatically over the last ten years.
There is wide popular support in Laurelia for the reintroduction of strict limits on the sale of lock- picking equipment.
The reintroduction of strict limits on the sale of lock-picking equipment in Laurelia would not prevent legitimate use of this equipment by police and other public safety officials.
【新gre逻辑阅读备考资料10套之(六)】相关文章:
最新
2016-03-01
2016-03-01
2016-03-01
2016-03-01
2016-03-01
2016-03-01