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【单选题】
甲状腺手术病人术前应练习的体位是 ( )
A.
半卧位
B.
仰卧
C.
头颈过伸位
D.
側卧位
E.
去枕平卧位
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【单选题】运算符函数调用格式的表达式y/x++与表达式y.operator/(operator++(x,0))的含义相同,由此可看出( )。
A.
“/”和“++”都是作为成员函数重载的
B.
“/”和“++”都是作为非成员函数重载的
C.
“/”是作为成员函数重载的,“++”是作为非成员函数重载的
D.
“/”是作为非成员函数重载的,“++”都是作为成员函数重载的
【单选题】运算符函数调用格式的表达式:y/x++与表达式:y. operator/(operator++(x,0))含义相同,由此可看出()。
A.
“/”和“++”都是作为成员函数重载的
B.
“/”和“++”都是作为非成员函数重载的
C.
“/”是作为成员函数重载的,“++”是作为非成员函数重载的
D.
“/”是作为非成员函数重载的,“++”都是作为成员函数重载的
【简答题】We peer out beyond our world to glimpse objects that lie A(at the very edge of) the universe, B(stars teetering tantalizingly) on the beginning of time. We peer inward to our own genome, swiftly unrav...
【简答题】Our holidays are l_____ to weeks a year.
【单选题】.It is said that pandas  ___________ in our country year after year.
A.
are being disappeared
B.
are disappearing
C.
will be disappeared
D.
will disappear
【单选题】Until recently most astronomers believed that the space between the galaxies in our universe was a near perfect vacuum. This orthodox view of the universe is now being challenged by astronomers who be...
A.
illustrate a hypothesis about the origin of galaxies.
B.
provide evidence to dispute an accepted theory about the evolution of galaxies.
C.
summarize the state of and prospects for research in intergalactic astronomy.
D.
report new data on the origins of intergalactic gas.
E.
reconcile opposing views on the formation of intergalactic gas.
【单选题】科学家无法将一颗小小的粒子加速到光速,这是因为
A.
同时性的相对性
B.
时间延缓效应
C.
动尺收缩效应
D.
质量增加效应
【单选题】_____ there are many different interpretations of our body language, some gestures seem to be universal.
A.
When
B.
While
C.
Because
D.
Since
【单选题】How the First Stars in the Universe Came into Existence Researchers believe that our universe began with the Big Bang(宇宙大爆炸)about 13 billion years ago,and that soon after that event,matter began to fo...
A.
was governed by simpler physics.
B.
got fewer stars shinning in it.
C.
started over 13 billion years ago.
D.
was composed in a way similar to that of today.
【单选题】听力原文: Congratulations, everybody. Welcome to our university. The starting of the university can be ex- citing on the one hand, and can also be worrying on the other. No matter how you are going to lea...
A.
Exciting and worrying.
B.
Exciting and willing.
C.
Worrying and depressing.
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