1 Jason went to Florida for vocation. During his vocation, if there are totally 11 days of rain that last only in either morning or afternoon, and 16 mornings and 13 afternoons had no rain, how many days of Jason’s vocation?

A. 15

B. 20

C. 29

D. 35

E. 40

2 On a pentagon, five identical circles whose centers are vertexes of the pentagon are drawn with radii of1 centimeter and no overlapping. What is the circumference of arc inside the pentagon?

A. π

B. 2 π

C. 3 π

D. 4 π

E. 5 π

3 If a is greater than 0, how many intersections do the function f(x) = ax2 + bx + c and x--‐axis have?

(1) f(x – 4) has 2 intersections with x--‐axis.

(2) f(x) – 4 has 1 intersection with x--‐axis.

4 What is the remainder when 7548 is divided by 10?

A. 1

B. 0

C. 3

D. 7

E. 9

5 Is |x + y| < |x| + |y|?

(1) xy < 0

(2) x + y < 0

答案：

1. B

2. C

3. D

4. A

5. A