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Simulation exercises are not the method of off－the－job training.（)
Simulation exercises are not the method of off-the-job training.()
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题目内容
（请给出正确答案）
Simulation exercises are not the method of off-the-job training.()
参考答案：错误
答案
更多“Simulation exercises are not the method of off－the－job training.（)”相关的问题
第1题
A．popularity
B．densities
C．intensities
D．prosperity
第4题
A.Focus zone
B.Computation zone
C.Printing zone
D.Filtering zone
第5题
A.Is to validate
B.has to be validated
C.have been validated
D.validate
第6题
A．to know more about the mass and properties of the first stars of the universe．
B．to simulate the process of how the early universe began．
C．to apply the simulation to the study of nuclear reaction initiation．
D．to discover the truth about the formation of a protostar．
第7题
What does the state-of-the-art computer simulation tell us about？
A．How the Big Bang occurred about 13 billion years ago．
B．How“cosmic dark ages”came into existence．
C．How dust grains and gases were formed after the Big Bang．
D．How the first stars came into being after the Big Bang．
第8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 form. as small dust grains and gases．How the first stars formed from this dust and gas has been a burning question for years，but a state of-the-art computer simulation now offers the most detailed picture yet of how these first stars in the universe came into existence．
The composition of the early universe was quite different from that of today，and the physics that governed the early universe were also somewhat simpler．Dr．Naoki Yoshida and colleagues in Japan and the U．S．incorporated these conditions of the early universe，sometimes referred to as the“cosmic dark ages，”to simulate the formation of an astronomical object that would eventually shine its light into this darkness．
The result is a detailed description of the formation of a protostar(原恒星)-the early stage of a massive primordial(原始的)star of our universe-and the researchers'computer simulation sets the bar for further investigation into the star formation process．The question of how the first stars evolved is so important because their formations and eventual explosions provided the seeds for subsequent stars to come into being．
According to their simulation，gravity acted on minute density variations in matter，gases，and the mysterious“dark matter”of the universe after the Big Bang in order to form. this early stage of a star-a protostar with a mass of just one percent of our sun．The simulation reveals how pre-stellar(前恒星的) gases would have actually evolved under the simpler physics of the early universe to form. this protostar． Dr．Yoshida's simulation also shows that the protostar would likely evolve into a massive star capable of synthesizing(合成)heavy elements，not just in later generations of stars，but soon after the Big Bang．
Their simulation of the birth of a protostar in the early universe signifies a key step toward the ambitious goal of piecing together the formation of an entire primordial star and of predicting the mass and properties of these first stars of the universe．More powerful computers，more physical data，and an even larger range will be needed for further calculations and simulations，but these researchers hope to eventually extend this simulation to the point of nuclear reaction initiation-when a stellar(星球的)object be comes a true star．
According to the first two paragraphs，the early universe
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．
第9题
The purpose of adding leg exercises to arm exercises is to ______.
A．compensate for a problem brought by arm exercises
B．make the whole body balanced
C．prevent fatigue
D．lose weight
第10题
The examples given by the writer in Paragraph serve ______.
A．to prove the high technology has a promising future
B．to support his assumption of new type of teamwork in the preceding paragraphs
C．to show that it tends to be an end to teamwork soon
D．to indicate the computer-assisted team effort just means investigation and simulation
