我国确立社会主义市场经济体制的宪法修正案是()。
A. 1988年宪法修正案
B. 1993年宪法修正案
C. 1999年宪法修正案
D. 2004年宪法修正案
假设航班的吨位出现超载，但座位未超，则应首先考虑拉下_______。
A. 旅客
B. 行李
C. 邮件
D. 普通货物
The price of maple syrup has jumped from 22 dollars a gallon three years ago to 40 dollars
A. The government already requires maple-syrup harvesters to submit their facilities to licensing by the health department .
B. Insect infestation and drought have stunted the growth of syrup-producing maple trees and caused less-abundant syrup harvests.
C. Maple syrup is produced in rural areas that suffer from high unemployment.
D. Technological improvements in maple-syrup harvesting have reduced production costs.
E. Maple-syrup prices have risen many times in the past, though never before at the rate recently observed.
Although the human population around the forestland in Middlesex County has increased, the
As the human population of Middlesex County has grown, there has been an increase in the number of shopping malls built.
B. The presence of more garbage cans resulting from the increase in the county"s human population ensures the survival of more raccoons, which prey on songbird eggs whenever available.
C. There has recently been a decrease in the amount of rainforest land in Central and South America, where songbirds spend the winter months.
D. Although several species of songbirds are disappearing from Middlesex County, these species are far from being endangered.
E. The disappearance of songbirds, which eat insects, often results in increased destruction of trees by insects.
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