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【判断题】
用G71指令进行内粗加工切削循环时,指令中指定的X方向精加工预留里U 应为负值。A.
正确
B.
错误
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【单选题】The birth planning policy allows my parents to have a second child because of my disability, but to look after me, they chose ________.
A.
not to do
B.
not to have
C.
not to
D.
to not have one
【单选题】—My parents have ever been to Canada. —Really? When ________ there? [ ]
A.
have they been
B.
will they go
C.
had they been
D.
did they go
【单选题】— My parents have been to Hongkong. — Really? When ______ there? [ ]
A.
have they gone
B.
have they been
C.
did they go
D.
will they go
【单选题】The birth planning policy allows my parents to have a second child because of my disability, but to look after me, they chose .
A.
not to do
B.
not to
C.
not to have
D.
to not have one
【简答题】My parents have eggs and milk for breakfast．（对划线部分提问） your parents_________ for breakfast?
【单选题】-- My parents are preparing my favorite dishes. Go with me and have a taste, okay? -- ______. And I’ll be glad to meet your parents.
A.
I think so
B.
I hope so
C.
I’m sure
D.
I’d love to
【单选题】My parents have promised to come to see mebefore I for Africa.
A.
have left
B.
leave
C.
left
D.
will leave
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