驾驶机动车进入这个路口怎样使用灯光？（） A．开启右转向灯 B_爱下问搜题

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问题单项选择题

驾驶机动车进入这个路口怎样使用灯光？（）

A．开启右转向灯

B．开启危险报警闪光灯

C．不用开启转向灯

D．开启左转向灯

答案

参考答案：C

填空题

影响连续监测法测定酶活性浓度的干扰因素主要有_______、__________、__________、____________和__________等。

单项选择题

A Trip to the Forest

One day Bob took two of his friends into the mountains. They put up their tents and then rode off to a forest to see how the trees were growing.
In the afternoon when they were about ten kilometres from their camp, it started to snow. More and more snow fell. Soon Bob could hardly see his hands before his face. He could not find the road. Bob knew there were two roads. One road went to the camp, and the other went to his house. But all was white snow. Everything was the same. How could he take his friends back to the camp
Bob had an idea. The horses ! Let the horses take them back ! But what would happen if the horses took the road to his house That would be a trip of thirty-five kilometres in such cold weather!
It was getting late. They rode on and on. At last the horses stopped. Where were they None of them could tell. John looked around. What was that under the tree It was one of their tents!

It is clear that they wanted the horses to take them to ______.

A．John’s house

B．the camp

C．the forest

D．the mountains