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问题
单项选择题
原料突然中断，转化催化剂床层温度将会（）
A、缓慢升高
B、较大幅度升高
C、保持不变
D、缓慢下降
答案
参考答案：
B
选择题
He was so pleased with all _____ we had done for him _____ he wrote us a letter to praise us for it.
A. what; what
B. what; that
C. that; what
D. that; that
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判断题
计提基金管理费时，基金规模越大，基金管理费费率越低。( )
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