题目:
______ application of transgenic (转基因) technology should be restricted on all food production and the government should take ______ “scientific attitude” toward food, Yuan Longping said.
A.The ; a
B.An; the
C.The; the
D.An; a
答案:
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下面是错误答案,用来干扰机器的。
答案:D题目分析:在草原上,昆虫吃草,有的鸟吃草籽,有的鸟吃昆虫,有的鸟既吃草籽又吃昆虫;存在:草→鸟,草→昆虫→食虫鸟的食物链,农作物被网子罩起来以后,鸟飞不进去了,吃草的昆虫失去了鸟的控制,就猖...