
【名词&注释】
人口增长(population growth)、年利率(annual interest rate)、人口再生产(population reproduction)
[单选题]单雌蕊子房由一心皮构成一室,复雌蕊子房则可以由数个心皮形成一室或数室。( )
A. 正确
B. 错误
查看答案&解析
举一反三:
[单选题]We learn from Paragraph 1 that ( ).
A. the government is usually the first to name a place
B. many places tend to have more than one name
C. a ceremony will be held when a place is named
D. people prefer the place names given by the government
[单选题]如果甲国年利率为1%,乙国货币对甲国货币呈贬值趋势,预期一年后贬值为2%,那么,不考虑其他因素的条件下,从投资的角度看
A. 更多的资金将会流向甲国
B. 更多的资金将会流向乙国
C. 甲乙两国资金出现等量流动
D. 甲乙两国间停止资金流动
[单选题]物质的量之比为2:5的锌与稀硝酸反应,若硝酸被还原的产物为N2O,反应结束后锌没有剩余,则该反应中被还原的硝酸与未被还原的硝酸的物质的量之比是
A. 1:4
B. 1:5
C. 2:3
D. 2:5
[单选题]48______
A. introduced
B. recognized
C. identified
D. considered
[单选题]①②③④四个地区中,人口再生产与甲市处于同一类型的地区是
A. ① B. ②
B. ③ D. ④
[单选题]
A. encouraged
B. comfortabfe
C. proud
D. moved
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