【单选题】This is one of the most interesting films _____ shown last week.
【单选题】Most asteroids, which are made of rock, _themselves_ a belt between the orbits of Mars and Jupiter.
【判断题】双曲柄机构,两个曲柄的转动速度一定是相同的。
【单选题】20130150在Excel中,若A1单元格的值为12.13, B1单元格的值为-12.13,在C1单元 格中输入函数“=SUM (INT (Al) +INT (B1))”,按回车键后,C1单元格中的值为(50)。