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【单选题】
图示危险货物包装标志表示该包装内装物为（）。A.
第6.1项毒性物质
B.
第2.3项毒性气体
C.
第3类易燃液体
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举一反三
【单选题】How many photos does your album _______, _______ those taken last week? [ ]
A.
contains; includes
B.
contain; including
C.
includes; containing
D.
contains; included
【单选题】I _________ an old photo while __________ my album, which reminded me of my happy childhood.
A.
came across, looking through
B.
came about, looking up
C.
came along, looking down upon
D.
came up with, looking into
【单选题】Those old photographs in my album _____ me of my days at Harvard University years ago.
A.
remind
B.
memorize
C.
remember
D.
warn
【单选题】On the top of the books ________the stamp album my uncle gave me as a birthday present.
A.
has
B.
is
C.
are
D.
have
【单选题】The album (相册) is__________to me as it keeps a record of my childhood life. A．of great valuable
A.
6. The album (相册) is__________to me as it keeps a record of my childhood life. A．of great valuable
B.
with very value
C.
for great value
D.
of great value
【单选题】Since the band announced the release of their new album, the phone hasn't stopped ringing. Many fans ________ to ask about the exact time.
A.
were calling
B.
had called
C.
are calling
D.
call
【简答题】各电子亚层电子云形状分别为: s 亚层的电子云形状为____形,称 ____ 电子云,也称为 ____ 轨道,有____个伸展方向,有____个等价轨道; p 亚层的电子云形状为____形,称 ____ 电子云,也称为 ____ 轨道,有 个伸展方向,有 个等价轨道; d 亚层的电子云形状为____形,称____电子云,也称为 ____ 轨道,有 个伸展方向,有 个等价轨道。
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