英语四级改错练习题 第011组
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简答题（共1题。）。
Word came from California of a new weapon in the war on household pests．Two scientists work for a firm in California developed 1．__________
a new method to eliminate insects with using dangerous chemicals．The new 2．__________
weapon—hot air．The basic idea is that insect pests can adjust to temperature much above 3．__________
normal．In laboratory experiments， termites can't survive much more than a quarter of hour at 100 degrees 4．__________
Fahrenheit or about fifty degrees centigrade． The new method involves covering a house with a huge tent，and fill it with air heated to 5．__________
around 65 degrees centigrade．Hot air is forced in with fans and the tent keeps the heat inside the house．Although termites try to escape by 6．__________
hiding in wood beams，the heat treatment must be continued by four to six hours．But when it's 7．__________
all over and the insects are dead， there are no toxic residues to danger humans or pets，and no 8．__________
funny smells．Scientists claim that there's no danger of fire too． 9．__________
Since very few household materials will burn at 65 degrees centigrade．In fact，wood is prepared for construction use by drying in the ovens at 100 degrees centigrade，that is substantially hotter． 10．__________ (本题0 分)
a new method to eliminate insects with using dangerous chemicals．The new 2．__________
weapon—hot air．The basic idea is that insect pests can adjust to temperature much above 3．__________
normal．In laboratory experiments， termites can't survive much more than a quarter of hour at 100 degrees 4．__________
Fahrenheit or about fifty degrees centigrade． The new method involves covering a house with a huge tent，and fill it with air heated to 5．__________
around 65 degrees centigrade．Hot air is forced in with fans and the tent keeps the heat inside the house．Although termites try to escape by 6．__________
hiding in wood beams，the heat treatment must be continued by four to six hours．But when it's 7．__________
all over and the insects are dead， there are no toxic residues to danger humans or pets，and no 8．__________
funny smells．Scientists claim that there's no danger of fire too． 9．__________
Since very few household materials will burn at 65 degrees centigrade．In fact，wood is prepared for construction use by drying in the ovens at 100 degrees centigrade，that is substantially hotter． 10．__________ (本题0 分)
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