指相化石
参考答案：
凡是代表特殊的地理环境，而且指示特殊岩相的化石或化石群，称指相化石或指相化石群。
在PowerBuilder的数据类型中，integer是多少位带符号数
A．7
B．8
C．15
D．16
What’s true about Toyota according to the passage ()
A. Toyota has won worldwide praise for its low maintenance and high mileage vehicles.
B. Toyota is going to build an eighth assembly plan in South America.
C. Toyota’s expansion will not cause political pressure.
D. According to an American politician from Washington, Toyota benefit from state-run pension systems, which is unfair.
