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【单选题】
钢筋牌号组成是由（）。A.
热轧光圆钢筋的英文缩写加抗拉强度特征值构成
B.
热轧光圆钢筋的英文缩写加屈服强度特征值构成
C.
产品标准英文缩写加抗拉强度特征值构成
D.
产品标准英文缩写加屈服强度特征值构成
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Why is it important to realize and handle stress in a positive way when it occurs?
A.
It will inevitably increase your blood pressure.
B.
It may cause physical problems if it is prolonged.
C.
It is so harmful as to cause distress.
D.
It is particularly frustrating.
【单选题】下列哪点不是佝偻病小儿骨样组织堆积造成的体征 A .方颅 B .肋骨串珠 C .肋膈沟 D .脚镯征 E .手镯征
A.
方颅
B.
肋骨串珠
C.
肋膈沟
D.
手镯征
【简答题】螺旋藻的有何营养特点?
【单选题】佝偻病患儿，10月龄。其腕部X线摄片示骨骺端呈杯口状，毛刷状改变，血清钙85mmol／L（7．4mg／dl），磷1．8mmol／L（5．8mg／dl），碱性磷酸酶40U（布氏）。下列佝偻病体征中，哪一点不是骨样组织堆积造成的（）
A.
方颅
B.
肋串珠
C.
肋膈沟
D.
手镯
E.
足镯
【单选题】Why is it important to save energy?
A.
We must leave some fossil fuels for people to use in the future.
B.
It is difficult to convert fossil fuels into energy with modern technology.
C.
We cannot find any more fossil fuels on earth now.
D.
Many people do not have enough money to buy energy today.
【单选题】Why is it important to know the entire process before the trip?
A.
It makes sure you have a unexpected trip.
B.
It makes sure you have an exciting trip.
C.
It makes sure you have a pleasant and safe trip.
【单选题】According to Landau, why is it important for a president to have a dog?
A.
It increases his chances of being reelected.
B.
It humanizes the president, making him easier to relate to.
C.
It shows that the president can care for an animal．
D.
It is the tradition of White House as a president．
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