填空题

Jordan has taken 5 math tests so far this semester. If he gets a 70 on his next test, it will lower the average (arithmetic mean) of his test scores by 4 points. What is his average now（）

【参考答案】

94

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单项选择题

Two buses are 515 miles apart. At 9:30 a. m., they start traveling toward each other at rates of 48 and 55 miles per hour. At what time will they pass each other（）

A、 1:30 p.m
B、 2:00 p.m
C、 2:30 p.m
D、 3:00 p.m
E、 3:30 p. m

单项选择题

Which is worth the most（）

A. 25% of the 2001 crop sold for juice
B. 10% of the 2002 crop sold for canning
C. 5% of the 2003 crop sold for freezing
D. 15% of the 2004 crop sold dried
E. 1% of the 2001 crop sold fresh