【单选题】Patrick lives near two gas stations, Exxon and Shell. If Exxon decreases the price of gas, we predict that the quantity of gasoline demanded at Shell will
A.
decrease because Exxon and Shell gas are complements.
B.
decrease because Exxon and Shell gas are substitutes.
C.
increase because Exxon and Shell gas are substitutes.
D.
increase because Exxon and Shell gas are complements.
E.
not change Exxon and Shell are different brands of gasoline.
【单选题】Most people ____ material possessions.
【单选题】在80C51单片机中断自然优先级里,级别第1的中断源是 。
【单选题】在80C51单片机中断自然优先级里,级别第3的中断源是 。
【简答题】petit 小 的 : ______(阳性单数)______(阴性单数)______(阳性复数)______(阴性复数)
【单选题】在80C51单片机中断自然优先级里,级别第1的中断源是 。
【单选题】在80C51单片机中断自然优先级里,级别第3的中断源是 。
【单选题】My dog likes to chase cats." The predicate is
【单选题】Exxon and Chase Manhattan Bank reached an agreement. In the next two years, Exxon would pay fixed price of oil to Chase Manhattan Bank on June 30, and Chase Manhattan Bank would pay floating price of ...
A.
fixed-for-floating currency swap
【单选题】Look ! There are some people _______ a thief. [ ]