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【单选题】
电流和电压的参考方向可任意选定,当参考方向和实际方向相同时,其值为____,反之为 ____。A.
+；-
B.
-；+
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举一反三
【简答题】Here are some tips that may help you live a beautiful life. ☆ When you wake up in the morning, think about what you are going to do. ☆ No matter how you feel, get up and dress up. ☆ Take a thirty-minu...
【单选题】It is one of the beautiful compensations of life that no man can sincerely try to help another, ______helping himself.
A.
except
B.
besides
C.
without
D.
otherwise
【单选题】Though ______in a big city, Peter always prefers to paint the beautiful scenes of country life.
A.
raised
B.
was raised
C.
raising
D.
raises
【简答题】一、读句子,给句中加点词语换个说法,意思不变。 1、听说蜜蜂有辨认方向的能力。( ) 2、为了证实飞回花园的蜜蜂是我放的,我在它们的背上做了白色的记号。( ) 3、在回家的路上,我推测蜜蜂可能找不到家了。( ) 二、改写句子,不改变句子原意。 例:我想,它们飞得这么低,怎么能看到遥远的家呢? 我想,它们飞得这么低,不能看到遥远的家。 1.他感冒那么严重,怎么能上学呢? ______________...
【简答题】给句子换个说法,意思不变。 我们不能被困难吓倒。
【单选题】I can not() a life without beautiful scenery around me. I want to see the sea, the sand and the sun every day.
A.
visualize
B.
vision
C.
visionary
D.
volunteer
【简答题】给句子换个说法,意思不变。 这比山还高比海还深的情谊,我们怎么能忘怀?
【简答题】给句子换个说法,意思不变 难道您担心我们会把您这位阿妈妮忘怀?
【单选题】I saw such a beautiful bird in my life. [ ]
A.
on time
B.
in time
C.
at the same time
D.
for the first time
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