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【单选题】
下列说法正确的是A.
0.18mol·L -1 的醋酸加水稀释，c(H + )/c(OH - )减小
B.
体积相同、pH相同的醋酸和盐酸完全溶解等量的镁粉，后者用时少
C.
向水中加入少量固体硫酸氢钠，c(H + )增大，Kw变大(不考虑温度变化)
D.
V 1 LpH=11的NaOH溶液与V 2 LpH=3的HA溶液混合，若混合液显中性，则V 1 ≤V 2
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【单选题】---The cookies are so delicious and crisp. ---Well, at least it is ________ the one I baked last week.
A.
as bad as
B.
no better than
C.
no worse than
D.
not better than
【单选题】—Do you remember _______ vase I gave you as a birthday gift last year? —Yes, I fell in love with it at _______ first sight.
A.
a; the
B.
a; /
C.
the; the
D.
the;/
【单选题】I ______ to the English Corner last Saturday, but I fell ill.
A.
did take part in
B.
would have taken part in
C.
would take part in
D.
had taken part in
【单选题】I ______ to the English get-together last night, but I fell ill.
A.
did came
B.
had come
C.
would come
D.
would have come
【单选题】I didn’t have a good ______ last night, so I was so _____ that I fell _____ in class.
A.
sleep; asleep ;sleepy
B.
asleep; sleep; sleepy
C.
sleep; sleepy; asleep
D.
sleepy; sleep; asleep
【单选题】When the blind man got on the bus with the dog, ______.
A.
all the people on the bus gave their seats to them
B.
the people on the bus were very glad
C.
no seats were empty
【单选题】---Shanghai is a beautiful city. Do you think so? ---Yes, I _______ there last year and fell in love with it.
A.
go
B.
will go
C.
have gone
D.
went
【单选题】When I came to Xi’an last year, I fell in love ____ it.
A.
about
B.
with
C.
around
D.
from
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