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【单选题】
巴黎剂量学系统中源活性长度AL与靶区长度L的关系描述正确的是
A.
AL=L
B.
AL<L
C.
AL>L
D.
AL≥L
E.
AL≤L
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举一反三
【单选题】-Could you look after my pet dog for me while I am away? - _______.
A.
No, thanks .
B.
It's my pleasure
C.
I'm sure you will
D.
With pleasure
【简答题】田间检验通常是在品种特征特性表现最明显的时期如( )、( )和( )进行。
【单选题】Could you help me to my keys?
A.
look at
B.
look for
C.
look forward to
D.
look out
【判断题】同声传译中,必须至少同时配备两名口译员交替工作。
A.
正确
B.
错误
【单选题】在没有限速标志的道路上,机动车辆应保持安全车速。
A.
Y
B.
N
【单选题】Could you me for my school's campaign for Help the Aged?
A.
help
B.
give
C.
sponsor
D.
equip
【单选题】-Could you look after my daughter for me while I’m away? -___________.
A.
Yes, here you are
B.
You’re welcome
C.
Yes, please
D.
With pleasure
【简答题】习题4-13 试计算题4-12日光灯电路的有功功率、视在功率、无功功率和功率因数。
【单选题】Could you help me my homework?
A.
with
B.
to
C.
for
D.
in
【单选题】A: Good morning. Sir. What can I do for you? B: I’m ___my seat. Could you guide me to my seat?
A.
looking for
B.
due to
C.
switch on
D.
the reason of