在编制数控车床加工程序时,指定坐标值的方法有3种,分别是:()、()、()。
参考答案:绝对值编程;增量值编程;混合编程
— What were you doing when Tony phoned you?
— Oh, I________for my father from Beijing at the station. [ ]
A. was waiting
B. had waited
C. am waiting
D. have waited
完成句子 按所给的汉语,用英语完成下列句子。(本大题共9分,每小题1.5分)
小题1:那个舞蹈演员一直担心会发胖。
The dancer is always _________________________________.
小题2:为了照看妈妈,我别无选择只能拒绝了朋友的邀请。
To look after Mum, I _________________________________ my friend’s invitation.
小题3:如果Steve明天按时上交作业,他将被允许取回他的故事书。
If Steve hands the homework in on time, he will _______________________ his story book.
小题4:你知道他处理这类问题是否有困难?
Do you know if he has _________________________________ like this?
小题5:对于我来说,原谅别人不注意我说的话是困难的。
It’s hard for me to forgive _________________________________ to my words.
小题6:毋庸置疑,说真话往往是需要勇气的。
We never doubt that it requires _________________________________.