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【判断题】
的含义是以二分音符为一拍,每小节四拍。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】We are supposed to plant more trees. They help to the wind and sand. [ ]
A.
keep away
B.
keep out
C.
keep up
D.
keep off
【单选题】As students, we are supposed to spend more time ______. [ ]
A.
study
B.
studied
C.
studying
D.
to study
【多选题】C54x DSP的CPU有多个运算单元,累加器是其重要组成部分,请指出以下选项中哪些是C54x DSP的累加器?
A.
A、 累加器A
B.
累加器B
C.
累加器C D、
D.
累加器D
【单选题】听力原文：We are supposed to do our assignments for statistics on the computer, but those in the student center are always tied up. I'm plfanning to get my own soon. (29)
A.
Our assignment can hardly be completed without a computer of my own.
B.
The statistics in the student center are messed up, thus making our assignment difficult to complete.
C.
I'm planning to finish my own assignment as soon as possible.
D.
Our assignment has to wait till the computers in the student center get repaired.
【单选题】To make our dreams come true, we are supposed to set goals _____ then try our best to achieve them. [ ]
A.
or
B.
and
C.
but
【多选题】关于自密封汽封系统描述正确的是（）。
A.
在机组正常运行时，由高、中压缸轴端汽封的漏汽经喷水减温后作为低压轴端汽封供汽的汽轮机汽封系统；
B.
多余漏汽经溢流站溢流至低压加热器或凝汽器；
C.
在机组启动或低负荷运行阶段，汽封供汽由辅助蒸汽提供；
D.
该汽封系统从机组启动到满负荷运行，全过程均能按汽轮机汽封供汽要求自动进行切换。
【单选题】.—Three years has passed . We will study in a new school in several months. —We are supposed to get along well with new teachers and classmates.
A.
past
B.
gone by
C.
left
D.
ended
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