【单选题】The old furniture is made of _____. Please keep it away from fire. [ ]
【单选题】Which of the following can be inferred about a long-distance race in which both athletes who use performance-enhancing drugs and those who do not use these drugs compete?
A.
The athletes using the drugs will be caught by the proper authorities and ejected from the race.
B.
The athletes using the drugs will have a better chance of winning the race.
C.
The athletes using the drugs will use steroid precursors that produce effects similar to those of androgenic drugs but are not technically steroids.
D.
The athletes using the drugs are more likely to be professionals in their sport than the athletes who do not use such drugs.
E.
The athletes using the drugs will be more likely to use any means possible to win the race, including intentional sabotage of the other racers' equipment.
【单选题】Lookout, please keep away from the fire,or your trousers will__.
【单选题】We should take ()to keep the chemicals away from fire.
【单选题】ECR 实施的四个阶段中( )阶段结果是销售额和毛利率增长
【单选题】Race Car: Distance or Displacement? When a Formula One race car drives a full lap around a circular track that has a radius of 210 m,
A.
the displacement of the car is the circumference of the track;
B.
the distance travelled by the car is the circumference of the track;
C.
the distance travelled by the car is zero;
D.
the displacement and distance travelled are equal.
【单选题】Lookout, please keep away from the fire, or your trousers will__