预告色灯信号机显示(),表示主体信号机在关闭状态。
A.一个绿色灯光
B.一个黄色灯光
C.一个红色灯光
D.一个蓝色灯光
参考答案:B
It was a very hot day in the middle of summer, and there were no trees along the street. Mr. Read (41) his shop at half past five, and went out into the street and began walking to the bus. He was a very (42) man. The sun shone straight down the street, and in a few minutes Mr. Read (43) very hot.
A. thought B. felt C. said
A small boy came out of another (44) in the street and followed Mr. Read. He stayed very (45) him all the time, and he kicked Mr. Read’s (46) several times. Mr. Read looked at him angrily each time.After the fourth time, Mr. Read stopped, turned (47) and said to the small boy, "What are you doing (48) following me like that! You’re going to hurt my feet.""I’m (49) , but don’t stop me, please!" the small boy said. "It’s very hot today, and there isn’t (50) shade anywhere else in the street!\
热电阻是中、低温区常用的一种温度检测器,它的主要特点是测量(),性能稳定。
A、精度高
B、温度高
C、精度低
D、温度低