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【多选题】
下列调整混凝土拌合物和易性的方法正确的是( )。A.
当坍落度低于设计要求时，可保持水胶比不变，适当增加水泥浆量或调整砂 率。
B.
若坍落度过大，则可在砂率不变的条件下增加砂石用量。
C.
如出现含砂不足、粘聚性和保水性不良时，可适当增大砂率；反之，应减小 砂率。
D.
当坍落度低于设计要求时，可以适当增加用水量。
E.
E、若坍落度过大，可以增加砂子和石子的用量
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【单选题】Which one of the four figures was the designer of the two mansions?
A.
James W. Phillips.
B.
Alexander Jackson Davis.
C.
Thurlow Weed.
D.
John Rogers.
【单选题】Which was NOT done during Qianlong’s reign?
A.
Set up a publishing house to compile history books.
B.
Defended his empire from invasions and encouraged land open-up.
C.
Organized many calligraphy competitions.
【单选题】During the reign of______, England was separated from the Roman Empire religiously.
A.
Henry VII
B.
Henry VIII
C.
Elizabeth I
D.
James II
【单选题】I looked and looked，and at last I made out two figures moving slowly in the _______.
A.
end
B.
distance
C.
past
D.
wild
【单选题】Two figures are mentioned in the last paragraph to indicate ______.
A.
the Public Transit system's efficiency
B.
the success of Transit Police program
C.
the police's emphasis on security of downtown areas
D.
the worsening security condition of the area
【单选题】It is during the reign of______that Britain build up an empire 'on which the sun never sets'.
A.
Queen Victoria
B.
King William IV
C.
King George III
D.
Queen Elizabeth I
【单选题】Which of the following statements may NOT be made about the coins made during the reign of Croesus?
A.
They were issued by the government.
B.
They were given standard values.
C.
They were all of equal purity.
D.
They were all alike in shape.
【单选题】During the reign of Augustus, changes happened in Rome army, excluding ______.
A.
soldiers should promised to be loyal to Augustus himself
B.
citizens became the core of the army
C.
generals still had absolute control of the army
D.
file power of generals was relatively weakened
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