皮皮学，免费搜题
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搜题
【单选题】
计算机的存储系统通常分为()A.
内存和外存
B.
软盘和硬盘
C.
ROM和RAM
D.
内存和硬盘
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】When I entered the room, I saw him____ at the picture in front of the classroom. [ ]
A.
glaring
B.
staring
C.
watching
D.
noticing
【单选题】When I entered the room, the boy was in the TV series Journey to the West.
A.
drawn
B.
attracted
C.
absorbed
D.
taken in
【简答题】When I entered the room, I found the cup (break) ________ on the table.
【单选题】He was cleaning his room when I entered the house. =His room _____ by him when I entered the room.
A.
was being cleaned
B.
was cleaned
C.
was being cleaning
D.
has been cleaned
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