How did they choose a lawyer().
A friend recommended a lawyer to them.
B. They will find a lawyer by themselves.
C. They will use an agency to find a lawyer.
D. They will send one of their HR people to hire a lawyer.
查看答案
设A、B均为可逆矩阵，则必有（）。
A. (A+B)-1=A-1+B-1
B. (AB)-1=A-1B-1
C. (AB)*=A*B*
D. |(AB)*|=|A|n-1|B|n-1
During parties, the speaker used to().
A. enjoy the wine and delicious foods.
B. pretend to be lonely.
C. sit alone and wait someone to talk to him.
D. talk to the interesting looking people.
Which did not launch the "road map" plan in 2003().
A. United States.
B. Russia.
C. European Union.
D. Saudi Arabia.
What was the cause of the explosion().
A. Children playing with fire.
B. Fireworks set off in a house with explosives.
C. Sparks from a fireworks display falling on the warehouse.
D. The firing of a gun.
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