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【单选题】
理想情况下,正弦交流电半波整流后直流电压的平均值,等于交流电压有效值得多少倍?A.
1.414
B.
0.45
C.
0.9
D.
1.1
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【单选题】Find ways to praise your children often, ____ you’ll find they will open their hearts to you.
A.
till
B.
and
C.
or
D.
but
【单选题】The residents demanded that those responsible for the fire ___ brought to justice.
A.
must be
B.
would be
C.
be
D.
to be
【简答题】编程题: 汇率兑换程序。按照温度转换程序的设计思路,按照1美元=6.7人民币的汇率编写一个美元和人民币的双向兑换程序。
【单选题】The residents demanded that those responsible for the fire ____ brought to justice.
A.
must be
B.
would be
C.
to be
D.
be
【简答题】汇率兑换程序。按照温度转换程序的设计思路,按照1美元=6元人民币汇率来编写一个美元到人民币的兑换程序。 (说明:请在答题框中输入程序,并上传运行结果的截图)
【单选题】听力原文： The London Borough of Camden provides many services for elderly residents,among which are the preparation for retirement courses.These courses,lasting for ten afternoons,are run three times a ye...
A.
They are offered for those with an interest in the courses.
B.
Employers and employees in a company are both welcome.
C.
People who will retire in a few years are the target students.
D.
Students from a normal university can attend the courses.
【多选题】振动类手法是（）
A.
以快速、高频的节律，轻重交替、持续作用于人体
B.
用手掌、拳背、手指、掌侧作用于人体
C.
包括搓法、抖法、振法等
D.
适用全身各部，以头颈部为多
E.
振法消耗治疗者体能不大，可以长时间实施
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