【简答题】内部犯罪预防的工作机制一般包括组织指挥、预防力量和预防措施三个系统。
【单选题】They hoped to find a new continent _____ in the Indian or Pacific Ocean. [ ]
A.
which they thought was existed
B.
where they thought existed
C.
where they thought to be existed
D.
which they thought existed
【单选题】当视标板反射光线透过二向色性双折射晶体时,可成为沿( )个特定径向振动的线偏振光。
【单选题】Jack Welch didn't suggest a small company to expand its business because
A.
he thought it was not worthwhile.
B.
it would arouse confusion, nerve and worry.