【单选题】Which of the following about solar power is NOT true?
A.
It is cost inefficient.
B.
It needs high technology.
C.
Solar energy even cannot compete with wind.
D.
Today's high oil prices make solar power commercially feasibl
【判断题】阿奎那时代凡是不能用经验解释的问题都被归结为上帝。()
【单选题】The airport had to close owing to being ______ less than 1,000 feet this morning.
【单选题】在逆流吸收的填料塔中,吸收操作线总是位于平衡线的( )。
【单选题】治疗高热便秘,常与大黄相须为用的药物是()
【判断题】压力不变的情况下,气体体积增大,温度就提高。