题目内容
（请给出正确答案）
Army mechanics and engineers tried to__________________(弄清楚洞有多大) in the middle of the field.
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更多“Army mechanics and engineers t…”相关的问题
al mechanics)一起构成现代物理学的理论基础。()
此题为判断题(对，错)。
A.电信号Electrical
B.电机械信号Electro-mechaniceal
C.机械信号Mechanics
D.压电信号Piezoelectric
A、surrender
B、retreat
C、resign
D、abandon
E、defeat
A．people who have a strategic mind
B．people who are talented in fine arts
C．people who are ambitious and aggressive
D．people who have received training in mechanics
How might the teacher find himself wasting lesson time？
A．By spending lesson time on pronunciation.
B．By not using books on speech mechanics on pronunciation.
C．By not giving students a clear mental picture of the difference between sounds.
D．By making ill-informed comments upon students' pronunciation.
The young army officer was ______ to the rank of captain.
A．lifted
B．enforced
C．promoted
D．accelerated
