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问题
单项选择题
进给率即()。
A、每转进给量×每分钟转数;
B、每转进给量∕每分钟转数;
C、切深×每分钟转数;
D、切深∕每分钟转数
答案
参考答案:A
补全对话,情景问答
看图完成句子。
Jenny's Day
breakfast
in the gym
in the classroom
supper
1.
is she? She is in the classroom.
time is it? It is eight-thirty.
2.
is breakfast?
At 7:00 in the
.
3.
she?She is in the
.
is it? It is
in
afternoon.
4.
supper?
At 6:30 in the
.
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判断题
紧张综合征是精神分裂症紧张型的典型表现。()
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