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【单选题】
电势-pH曲线的测定中以下关于甘汞电极注意事项的说法 不正确 的是A.
待测溶液中不能有气泡
B.
使用时要将电极侧口的小橡皮塞拔下
C.
可以长时间浸在待测溶液中
D.
不能直接接触侵蚀汞和甘汞的溶液
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【简答题】As it turned out to be a small house party, we ______ so formally. A) needn't dress up B) did not need have dressed up C) did not need dress up D) needn't have dressed ...
【单选题】在已有选区的前提下点击创建Alpha通道,通道缩览图会出现以下哪种情况?
A.
选区内黑色，选区外白色
B.
选区内往外均为黑色
C.
选区内外均为白色
D.
选区内为白色，选取外为黑色
【简答题】A．The speakers will dress formally for the concert. B．The man will return home before going to the concert. C．It is the first time the speakers are attending a concert. D．The woman is going to buy a n...
【简答题】As it turned out to be a small party, we ______ so formally. A) needn't dress up B) did not need have dressed up C) did not need dress up D) needn't have dressed up
【单选题】As it turned out to be a small house party, we __________ so formally.
A.
needn’t dress up
B.
shouldn’t dress up
C.
were not necessary to dress up
D.
needn’t have dressed up
【判断题】In Chinese wedding ceremonies guests dress formally, while in the west usually the mates of bride and bridegroom dress formally and other guests can dress casually.
A.
正确
B.
错误
【单选题】In paragraph 3 ' dressing up on a budget' probably means 'to ______ '.
A.
dress formally when there is enough money
B.
dress well with the limited available money
C.
try to save money to enjoy expensive clothes
D.
set aside certain amount of money for fancy dresses
【简答题】刘鸿生先生说过:“吾甬人以冒险之天性,斩荆披棘,经营所业,其间筚路褴褛,艰苦卓绝......”,后人在概括了宁波帮人文精神时,用了7个词语。请说出其中的4个词。
【简答题】固定花材的用具有哪些?有何作用?
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