为确保安全，在再生制动时，电动机应在（）部电阻全部切除的情况下工作.
A.外
B.内
参考答案：C
No matter how low you consider yourself，there is always someone ________ you wishing they were that high.
A．getting rid of
B．getting along with
C．looking up to
D．looking down upon
我国长期以来形成了依赖投资扩张的增长方式。解决投资扩张问题，可以采取的措施是（）。
A．增加财政支出
B．增加货币供应量
C．提高贷款利率
D．增加国债规模
