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【单选题】
曲柄压力机是模锻生产的主要设备之一。其优点是生产率高,易于机械化、自动化,锻件尺寸精度高于锤上模锻。由于曲柄压力机每个模膛都是一次成形,因此( )。A.
金属沿模膛各个方向充填能力好,易于充满模膛深处
B.
金属沿模膛高度方向充填能力差,水平方向充填能力好
C.
金属沿模膛高度方向充填能力好,水平方向充填能力差
D.
金属沿模膛各个方向充填能力差,难于充满模膛深处
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The man was confused about the date of the appointment.
B.
The man wants to change the date of the appointment.
C.
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【单选题】听力原文：F: Hello! This is Prof Gates' office. I'm calling to remind you of your 4:15 appointment with the professor to discuss your term paper tomorrow. M: Oh, thanks. It's a good thing that you called, ...
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He didn't make the appointment with the professor.
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He totally forgets about the appointment.
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D.
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