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【单选题】
生药本身经灰化遗留的不挥发性物质称:
A.
总灰分
B.
酸不溶性灰分
C.
杂质
D.
有效成分
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参考答案:
举一反三
【简答题】The year of 776 B.C.is considered to be the founding date of the Olympic s in ancient Greece. The s lasted more than 11 centuries_______they were banned in 393 A.D. A.when B.after C.as D.until
【简答题】The year of 776 B.C.is considered to be the founding date of the Olympic s in ancient Greece. The s lasted more than 11 centuries_____they were banned in 393 A.D. A.when B.after C.as D.until
【单选题】If a woman is 1.6m tall and weighs 49 kg, she
A.
is considered within the desirable weight-height range.
B.
is definitely unhealthy.
C.
should be considered fat.
D.
should not be considered unhealthy.
【简答题】The year of 776 B.C.is considered to be the founding date of the Olympic s in ancient Greece. The s lasted more than 11 centuries ______ they were banned in 393 A.D. A.when B.after C.as D.unti...
【判断题】地理信息数据的处理不要求时效性( )
A.
正确
B.
错误
【单选题】In America, the driver's course mentioned above ______.
A.
is considered as part of the advanced education
B.
is given to anyone wanting to get a driver's license
C.
is carried on at the same time as other courses
D.
is offered to all the students of Grade 2 in high schools
【简答题】如图所示 ,三相对称电源的线电压为 380 V ,且 R = X L = X C =220 Ω 。则三相电路的有功功率为 W ,中线电流为 A 。
【单选题】用端面铣刀铣削平面,影响平面度误差的因素,主要是( )。
A.
铣刀的磨损
B.
铣刀刀齿的参差不齐
C.
铣削用量的选择
D.
铣床主轴轴线与进给方向不垂直
【单选题】用端面铣刀铣削平面,影响平面度误差的因素,主要是( )。
A.
铣刀的磨损
B.
铣刀刀齿的参差不齐
C.
铣削用量的选择
D.
铣床主轴轴线与进给方向不垂直
【单选题】All things ________, the planned trip has to be called off. A. consider B. considered C. considering D. is considered
A.
B.
C.
D.
D
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