【简答题】The Lucas test is used to distinguish small
(7 or fewer carbons) 1 o , 2 o , 3 o alcohols. The
alcohol to be tested is added to a solution of anhydrous ZnCl 2 in Conc.
HCl at room temperature. Which o...
【单选题】What does the man mean?
A.
He likes to stay late every day.
C.
He does it only occasionally ( 偶尔地).
【单选题】When does Miss Wu leave school?
【单选题】---What time does the library open? --- ______ eight o’clock.
【单选题】Which o{ the following does the writer cite as a source o{ moral void?
C.
Racial discrimination.