驾驶机动车在路口遇到这种信号灯表示什么意思？（）
A．路口警示
B．禁止右转
C．准许直行
D．加速通过
参考答案：A
把下列反意疑问句补充完整。
1. She is an excellent teacher, ______?
2. Jack plays football well,______?
3. They have never been to Beijing,______?
4. Let us go together,______?
5. Let's play basketball,______?
6. Don't be late for the meeting,______?
7. Listen to the radio please,______?
8. He didn't attend the meeting,______?
9. She can't get there on time,______?
10. They haven't finished the project, _?
右图为“等高线地形图”，读图做题。
图中等高线所表示的景观是（）
A．冲积扇
B．平原
C．沙滩
D．梯田
