此题为判断题(对,错)。
第1题:

A. SUM(start_date)
B. AVG(start_date)
C. COUNT(start_date)
D. AVG(start_date, end_date)
E. MIN(start_date)
F. MAXIMUM(start_date)
第2题:
A.Date()
B. Date(int year, int month, int date)
C.Date(String s)
D.Date(long date)
第3题:
A light used to signal passing intentions must be an ______.
A.all-round yellow light only
B.all-round white light only
C.all-round blue light only
D.alternating red and yellow light
第4题:
A、We ; us
B、Us ; we
C、We ; our
D、We ; we
第5题:
How did the author probably feel after he talked with his friend?
A. Proud.
B. Pitiful.
C. Surprised.
D. Regretful
第6题: