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【简答题】
以四分音符为一拍,将下列音符符尾相连正确的是?
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】－How do I_________ my homework ? －Click“print” and“ OK”.
A.
write
B.
do
C.
save
D.
print
【单选题】How do int-jet printer works ? .
A.
They spray ionized tiny drops of int onto a page to create an image.
B.
They shine a laser beam to produce an image on a drum.
C.
They use a set of closely spaced pins and a ribbon to print letters or other characters on a page.
D.
Characters are formed by heated elements being placed in contact with special heat-sensitive paper.
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