指示剂的用量越多越好吗？
参考答案：
单色指示剂用量多，终点提早出现；双色指示剂用量多，终点推迟，因此不是用量越多越好.
补全对话。
A: do you get up?
B: 6:00. What about you?
A: I usually get at 6:30. When you breakfast?
B: 6:20.
A: do you go school?
B: At 7:00. you?
A: At 7:00, .
French , I have to study a second foreign language .
A．In addition that
B．In addition
C．In addition to
D．Beside
