驾驶机动车进入高速公路加速车道后再开启左转向灯。
参考答案：错
解析：要先开启左转向灯并确保安全之后才能向左进入高速公路加速车道，因此本题错误。
水闸闸门在启闭运行中，常用观察（）的数值来判断水闸运行工作是否正常。
A、电压表
B、电流表
C、频率表
D、功率表
根据句意用所给词的适当形式填空。
1. Simon said he had a ________ (please) journey last week.
2. Every year many________ (tour) come to Beijing to visit the Great Wall.
3. We should work hard at English because it's important in our________ (day) life.
4. A man's life will lose its_________ (mean) if he has no interest. Do you agree with me?
5. We all think Jet Lee is a _________ (success) actor.
