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【多选题】
喷射或抛射除锈过的钢材表面，除锈等级一般有( )。A.
Sal
B.
Sa2
C.
Sa2.5
D.
Sa3
E.
Sa4
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【简答题】材料： Condor a catamaran vessel operating between the Channel Islands and France．The vessel has two main engines in each hull．All propulsion units are duplicated，with each set independent from the other...
【单选题】Last month, upon hearing that a neighbor had been burgled, my husband voiced a desire to beef up our home security. I was largely unresponsive. The previous owners of our house installed a burglar ala...
A.
Because she didn't like its design.
B.
Because the burglar alarm system had broken down.
C.
Because she considered monthly fee unnecessary.
D.
Because she thought their home security was not a problem.
【简答题】Paris - Two diamonds together worth over 11 million euros ($20.49 million) disappeared from an antique dealers' show in Paris on Monday. Police said a glass case holding the jewels was forced open dur...
【单选题】What measure was taken against floods in London in the 1960s?
A.
50 underground stations were made waterproof.
B.
A flood wall was built.
C.
An alarm system was set up.
D.
Rescue teams were formed.
【单选题】It isn’t expected to start nibbling away at computer data systems until the docks click over to 2000, but the millennium bug has been crawling on the nerves of information technology (IT) workers arou...
A.
Banks.
B.
Securities exchanges industry.
C.
Aviation industry.
D.
Hospitals.
【单选题】What measure was taken against floods in London in the 1960s?
A.
A flood wall was built.
B.
Rescue teams were formed.
C.
An alarm system was set up.
D.
50 underground stations were made waterproof.
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