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【简答题】
已知x,y是实数,若xy=0,则下列说法正确的是(  ) A.x一定是0 B.y一定是0 C.x=0或y=0 D.x=0且y=0
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参考答案:
举一反三
【单选题】stray[streɪ]
A.
n.缘故,理由
B.
n.走失的家畜,浪子;adj.迷途的,偶然的;vi.迷路,彷徨
C.
n.圆盘;唱片,磁盘;adj.圆盘形
【单选题】stre_ch
A.
x
B.
t
C.
g
D.
j
【简答题】一项《华尔街日报》/NBC新闻民意测验询问2013个成年人:“你对今天美国的经济状况满意程度如何?”(The Wall Street Journal,1997.2.12)。 回答分为不满意、满意和不清楚。要求: (1)这一调查的样本规模多大? (2)数据是定性的还是定量的? (3)回答中,28%的人说他们对美国经济状况不满意,给出这种答复的人是多少?
【单选题】______ is a symbol of American theatre and world-class entertainment.
A.
Broadway
B.
Wall Street
C.
The Fifth Avenue
D.
Times Square
【单选题】America's Federal Reserve cut interest rates by another quarter-point, to 3.75%. Wall Street, which had been (1)_____ for a sixth half-point cut, was disappointed. The Dow fell by 2% (2)_____ the week...
A.
expecting
B.
hoping
C.
wishing
D.
dreaming
【单选题】Experts in Wall Street consider ______ the stock price of that company rose so fast.
A.
it strange that
B.
it strange what
C.
that strange
D.
strange why
【单选题】The experts' research finding
A.
the experts have done a lot
B.
thestudents
C.
the experts got
D.
the experts found
【单选题】Experts found a large quantity of wall paintings, some of them_____ the Han Dynasty.
A.
dating back to
B.
dated from
C.
dated back to
D.
dates from
【单选题】Nach der Meinug des Vaters ist ein Studium an der FH...
A.
zu kurz.
B.
sehr praxisorientiert.
C.
nicht ausreichend.
D.
nicht praktisch orientiert.
【单选题】The stressed syllable in / ə d ˌ m ɪ n ɪˈ stre ɪʃ n/ is
A.
ə d
B.
m ɪ
C.
n ɪ
D.
stre ɪ
E.
ʃ n
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