皮皮学，免费搜题
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【单选题】
对外存文件区的管理()为主要目标。A.
提高系统吞吐量
B.
提高存储空间的利用率
C.
降低存储费用
D.
提高换入换出速度
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
【单选题】We can put the napkin _______ when we want to leave the table for a while.
A.
under the plate
B.
on the chair
C.
beside the plate
D.
on our lap
【单选题】根据《岩土工程勘察规范》(GB50021-94),工程安全等级为三级、场地等级为二级、地基等级为一级时,岩土工程勘察等级应为(多选)
A.
特级
B.
一级
C.
二级
D.
三级
【单选题】Jim suggested that their Christmas gifts ___ and kept a while.
A.
put away
B.
be put away
C.
to be put away
D.
to put away
【单选题】According to the author, we shouldn't neglect ______ while others put too much stress on gender differences.
A.
gender similarities
B.
gender roles
C.
the free will of us
D.
the effect of learning
【单选题】As soon as we arrived at the campsite, we erected our tent.
A.
put up
B.
put out
C.
put up with
D.
put off
【简答题】下列各式中计算结果等于2x 6 的是（ ） A．x 3 +x 3 B．（2x 3 ） 2 C．2x 3 ?x 2 D．2x 7 ÷x
【单选题】We bought the big house with the saving we had. for several years.
A.
put aside
B.
put off
C.
put down
D.
put in
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