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【单选题】
肥胖是指体重超过理想体重A.
8%.
B.
20%.
C.
15%.
D.
5%.
E.
10%.
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【单选题】English is one of____ spoken in the world. A. the important languages B. the most important languages C. most important language D. the most important language
A.
the important languages
B.
the most important languages
C.
most important language
D.
the most important language
【单选题】Chicago Poems and The People, Yes are the most important collections of poems by ______, the leading character of the Chicago School.
A.
T. S. Eliot
B.
Wallace Stevens
C.
e e cummings
D.
Carl Sandburg
【单选题】用c(HCl)=0.1mol/LHCl溶液滴定c(NH 3 )=0.1mol/L氨水溶液化学计量点时溶液的pH为( )。
A.
等于7.0
B.
小于7.0
C.
等于6.0
D.
大于7.0
【单选题】The writer thinks the most important use of the laser is in the field of______.
A.
medical treatment
B.
national defense
C.
space travel
D.
metrology
【单选题】用0.1 mol•L-1 HCl溶液滴定0.1 mol•L-1氨水溶液,化学计量点时溶液的pH值为
A.
等于7.0
B.
小于7.0
C.
等于8.0
D.
大于7.0
【单选题】用0.1 mol/L HCl溶液滴定c(NH3)=0.1 mol/L氨水溶液化学计量点时溶液的pH值为 ( )
A.
等于7.0
B.
小于7.0
C.
等于8.0
D.
大于7.0
【单选题】The passage suggests that______.
A.
most people don't realize how important passports are
B.
passports aren't important once you are in the country you've chosen to visit
C.
passports are simple to obtain through the mail
D.
passports are obtained at the embassy once you enter a country
【单选题】用c(HCI)=0.1mol/LHCI溶液滴定c(NH3)=0.1mol/L氨水溶液化学计量点时溶液的PH为( )
A.
等于7.0
B.
小于7.0
C.
等于8.0
D.
大于7.0
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