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【简答题】
He have missed the train; he arrived at the train station two hours early.(can't/mustn't)
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参考答案:
举一反三
【单选题】NH3的共轭酸是
A.
NH2-
B.
OH-
C.
NH3·H2O
D.
NH4+
【单选题】Kentucky is the state _________ Lincoln was born in.
A.
when
B.
where
C.
-who
D.
which
【单选题】Which of the following can also be called as a swing state?
A.
a red state
B.
a purple state
C.
a blue state
D.
a safe state
【单选题】NH 3 的共轭酸是
A.
NH 2 —
B.
NH 4 +
C.
NH 2 OH
D.
NH 3 · H 2 O
【简答题】In general, matters which lie entirely within state borders are the ________ concern of state governments. A) extinct B) excluding C) excessive D) exclusive
【单选题】听力原文: The United Nations Secretary-General Ban Ki-moon has warned that hundreds of thousands of Burmese lives could be at risk unless the military government removes ail restrictions on foreign aid fo...
A.
hold the constitutional referendum.
B.
allow in foreign search and rescue teams.
C.
accept international aid right away.
D.
adopt John Holmes’suggestions.
【单选题】NH 3 的共轭酸是
A.
NH 2 -
B.
NH 2 OH
C.
NH 4 +
D.
NH 4 OH
【单选题】The state of Washington, (which) entered the Union (in 1889), (was) named for honor (of) George Washington.
A.
which
B.
in 1889
C.
was
D.
of
【单选题】_______is said that________ tourists visit Geyuan Garden every day.
A.
It; thousands of
B.
It; five thousand of
C.
That; thousands of
D.
This; three thousand
【单选题】NH 3 的共轭酸是
A.
NH2-
B.
NH2OH2-
C.
NH4+
D.
NH4OH
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