皮皮学，免费搜题
登录
搜题
【单选题】
主频主要反映了计算机的( )。A.
使用频率
B.
运算速度
C.
存储容量
D.
处理能力
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Not only ___ late, he also forgot his book. [ ]
A.
had he turned up
B.
did he turn up
C.
he turned up
D.
he had turned up
【单选题】He was disappointed to find his suggestions ____.
A.
been turned down
B.
turned down
C.
to be turned down
D.
to turn down
【简答题】After he finished (do) ______ his homework, he turned on the TV.
【单选题】Not only late, he also forgot his book.
A.
had he turned up
B.
he had turned up
C.
he turned up
D.
did he turn up
【单选题】______ late, he also forgot his books.
A.
Not only he turned up
B.
Not only he turned out
C.
Not only did he turn out
D.
Not only did he turn up
相关题目：