why should the SES operators be very careful when the ship enters the area where three ocean regions overlap? Because（）.
A. the weather over there is always terrible
B. the condition there is complicated
C. the signals are too strong
D. their SES may receive the signals from unwanted satellite
查看答案
税收贡献率实际就是税负，都是反映税收与税源的比例关系．只是由于观察认识的角度不同，名称不同而已。你认为这种看法正确吗？
按评价结果的表达方式，可将教学评价划分为定量评价和（）。
A. 形成性评价
B. 绝对评价
C. 定性评价
D. 终结性评价
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