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【单选题】
在切削加工过程中，最希望出现的切屑形状是（ ）A.
带状
B.
节状
C.
粒状
D.
崩碎
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【简答题】用动词的适当时态填空。 1. —Oh, what a beautiful song! —Who ________ this song? (sing) 2. —Where ________we________ (meet)? —Let's meet outside the park gate. 3.—Where is Tom? —He ________ (go) to the post office...
【简答题】In the computer age, most of us take a broadband（宽带）Internet connection for granted. Whether cable or mobile broadband, today’s connections are many times faster than those in the early days. Videos p...
【单选题】Broadband(宽带) connections are widely available now, ________ makes online shopping
A.
what
B.
whatever
C.
who
D.
which
【单选题】Broadband(宽带) connections are widely available now, ________ makes online shopping
A.
ch easier.
B.
what
C.
whatever
D.
who
E.
which
【简答题】用动词的适当时态填空: Lucy and Lily _____(be) twins.
【简答题】broadband cable 宽带电缆
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