【单选题】Which could best be substituted for the word 'THIS' in the last sentence of the second paragraph?
A.
The search of Japan's Tokugawa shoguns for solvency.
B.
The unfairness of the tax structure in eighteenth-century Japan.
C.
The difficulty experienced by both individual samurai and the shogun himself in extricating themselves from debt.
D.
The difficulty of increasing government income by other means.
【单选题】平面构成一般只用( )两种颜色,目的是为了便于研究和表现形态自身的情感力量。
【单选题】The viewers will have _____ second chance to watch Voice of China on _____ Channel 4 tonight.
【判断题】在 N 型半导体中多数载流子是空穴,少数载流子是自由电子
【判断题】Mg2+的浓度对核糖体的存在方式有明显的影响。