下列哪些土工织物属常见的防汛土工织物。（）
A、塑料编织土工织物
B、长丝机织土工织物
C、非织造针刺土工织物
D、防汛堵漏袋
参考答案：A, B, C
十进制数值87的二进制数值是
A．1010111
B．1010101
C．1001111
D．1001100
It was at that school _________ he realized his dream _________ he was going to be a teacher.
A．that; that
B．that; which
C．where; that
D．where; which
