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【单选题】
进行吸收池配对时,吸收分别装入同一溶剂,在规定波长测定各吸收池的透光率,如透光率相差在( )以下者可配对使用,否则必须加以校正。A.
0.001
B.
0.002
C.
0.003
D.
0.005
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举一反三
【单选题】下列各组词语中加下划线的字读音完全正确的一项是
A.
厌 恶 （wù）、管 束 （sù）、广 漠 （mò）、 质 问（zhì）
B.
责 罚（zé）、眼 翳 （yì）、 调 度（diào）、轻 薄 （bó）
C.
穈 先生（mén）、 嬉 戏（xī）、抽 屉 （tì）、气 量 （liàng）
D.
文 绉 绉（zōu）、 绰 号（chuò）、牢 骚 （sāo）、宽 恕 （shù）
【简答题】下列各组词语中加下划线字的读音完全正确的一项是( )
【单选题】What happens to the total surplus in a market when the government imposes a tax?
A.
a. Total surplus increases by the amount of the tax.
B.
b. Total surplus increases but by less than the amount of the tax.
C.
c. Total surplus decreases.
D.
d. Total surplus is unaffected by the tax.
【单选题】What is the total surplus of a market?
A.
the sum of consumer surplus and producer deficit
B.
the sum of consumer surplus and producer surplus
C.
the difference between the consumer surplus and producer surplus
D.
the difference between the highest price that a consumer is willing to pay and the lowest price that a producer is willing to sell
【单选题】下列各组词语中加下划线字的读音完全正确的一项是( )
A.
弊在 赂 秦(luò) 思 厥 先祖父(jué) 抱 薪 救火(xīn)
B.
暴 霜露(bào) 如弃草 芥 (jiè) 胜负之 数 (shù)
C.
燕 赵之君(yān) 洎 牧以谗诛(jì) 倘 与秦相较(tǎnɡ)
D.
为 国者(wèi) 革灭 殆 尽(dài) 日 削 月割(xuē)
【单选题】Total surplus is equal to
A.
value to buyers minus profit to sellers.
B.
value to buyers minus cost to sellers.
C.
consumer surplus minus producer surplus.
D.
(consumer surplus plus producer surplus) times equilibrium quantity.
【单选题】What happens to the total surplus in a market when the government imposes a tax?
A.
Total surplus increases by the amount of the tax.
B.
Total surplus increases but by less than the amount of the tax.
C.
Total surplus decreases.
D.
Total surplus is unaffected by the tax.
【单选题】Chinas trade surplus with the US accounted for 73 percent of its total surplus last year, but China had a trade______with other countries, including 58 less-developed countries.
A.
increase
B.
deficit
C.
decrease
D.
surplus
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