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【简答题】
体现一个税种征税的深度，作为税收制度的中心环节的要素是（ ）。
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举一反三
【单选题】He appears ______ a long time. He is impatient for my arrival.
A.
to wait
B.
to be waiting
C.
to have waited
D.
to have been waiting
【单选题】George appears______a hard time convincing his employer that he is right over it.
A.
having
B.
to be having
C.
to have
D.
having had
【单选题】California appears to benefit most from daylight saving time because ___________.
A.
the weather there is windy
B.
it is close to the Pacific Ocean
C.
people there tend to stay outdoors later
D.
people there have more time to do exercise
【判断题】If time appears in the lead of a news story, it typically appears after, not before, the who and what .
A.
正确
B.
错误
【简答题】什么是本征半导体?什么是杂质半导体?以示意图表示它们的能带结构。说明半导体是如何导电的。
【简答题】D The future of agriculture must achieve several goals at the same time. First, it now appears that we will have to double world food production in the next 40 years due to population growth, increasi...
【单选题】----- It appears that your relationship with Mike is not normal, doesn’t it? ----- I thought of him as a trustworthy friend _____, to my shock, he gave me away to the boss．
A.
unless
B.
since
C.
for
D.
until
【单选题】For most people, fat is a burden. It doesn't really matter where it appears, we just don't want it. But it turns out that our bodies also make a unique form. of fat tissue that behaves remarkably unli...
A.
All the people don't like fat at all.
B.
All fat is a kind of tissue storing excess energy.
C.
Brown fat has a unique function that any other fat issue doesn't have.
D.
Brown fat can provide a new way to lose weight.
【单选题】David Beckham suffered a serious injury this weekend ________ playing for AC Milan, and it appears the soccer star will miss the World Cup.
A.
while
B.
if
C.
where
D.
whether
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