上坡路段停车怎样使用行车制动？
A．比在平路时提前
B．比在平路时推迟
C．和平路时一样
D．要重踏制动踏板
参考答案：B
用方框中所给单词的适当形式填空，每词仅用一次。
throw, knife, excite, die, difficult
小题1:There is a fork and five _______ on the table.
小题2:The children were ________ about opening their gifts.
小题3:I think that disabled person may have __________ in using his arms.
小题4:He made a decision that meant life and ______.
小题5:Stop _______ stones at that window.
已知代数式3y2－2y+6的值是8，那么y2－y+1的值是 ( )
A．1
B．2
C．3
D．4
