高产乳牛一般 * * 发育充分,匀称,乳静脉粗大而多弯曲,乳井大而深。()
参考答案:对
下列说法正确的是( )
A.物体吸收热量,温度一定升高
B.涂抹酒精的皮肤会觉得凉,是因为酒精蒸发时吸收了热量
C.水结冰时的温度是零摄氏度,冰熔化时的温度高于零摄氏度
D.沸腾是只在液体内部进行的剧烈的汽化现象,并且在沸腾过程中温度不变
1. a train schedule____
2. What is your schedule for tomorrow?
译:__________________________
3. The train arrived on schedule.
译:_________________________
4. The new office building has been finished one month ahead of schedule.
译:______________________