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【判断题】
采用假想的剖切平面将机件的某处切断,仅画出该剖切面与机件接触部分的图形称为剖视图。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】中国古代广告发展经历了哪些几个时期,简要概括不同时期特点
【单选题】–I called you yesterday afternoon, but you were not at home. --Sorry, I _________ some shopping with my mother then .
A.
is doing
B.
do
C.
was doing
D.
will do
【单选题】正确描述创建一个段落的句法是( )。
A.
Paragraph Text
B.
Paragraph Text
C.
Paragraph Text
D.
Paragraph Text
【单选题】正确描述创建一个段落的句法是______。
A.
＜P＞Paragraph Text＜/P＞
B.
＜L＞Paragraph Text＜/L＞
C.
＜PR＞Paragraph Text＜/PR＞
D.
＜PRG＞Paragraph Text＜/PRG＞
【单选题】— I called you at six yesterday, but there was ______ answer. — Did you? I ______ dinner at my friend's home. [ ]
A.
not an; had
B.
no; was having
C.
not; was having
D.
no; had
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