“废中书、升六部”是何意？
参考答案：废中书指的是朱元璋在胡惟庸案后废除了丞相制；升六部是指设吏、户、礼、兵、刑、工六部，尚书直接对皇帝负责。
Alibaba has become China’s largest online commercial company, _____ a profit of 6.42 billion yuan in 2011.
A．earns
B．earning
C．earned
D．to have earned
根据胸部损伤的分类，下列哪种情况肯定是开放性损伤
A．胸部皮肤有伤口，肺压缩40%
B．肋骨骨折并气胸
C．气胸伴皮下气肿
D．胸壁伤口处听到空气出入的响声
E．支气管断裂
