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【单选题】
滴眼剂有何种特点时,才能通透完整角膜
A.
低浓度
B.
脂溶性
C.
水溶性和脂溶性
D.
低渗透压
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举一反三
【单选题】Tom should have_____up at five o’clock,but he didn’t arrive until o’clock.
A.
Shown
B.
Spoke
C.
Put
D.
Got
【简答题】写出横线上的数。 (1)地球赤道周长 四千零七万五千七百 米。写作:(    )。 (2)地球海洋总面积是 三亿六千二百万 平方千米。写作:(    )。 (3)我国每年生产和丢弃的一次性筷子, 需要砍伐 二千五百万零四百 棵树。 写作:(    )。
【单选题】在克拉通地区经常缺失的结构是( )
A.
地壳
B.
硅铝层
C.
地幔
D.
软流圈
【单选题】I invited him for eight o’clock, but he didn’t until nine-thirty.
A.
show up
B.
shown up
C.
showed up
【简答题】六千二百万三千七百八
【简答题】二十五亿七千八百六十五万四千二百二十三______.
【简答题】连一连。 ①540000000 A.六千二百九十七万 ②11223400 B.七百万三千零五十 ③7003050 C.五亿四千万 ④62970000 D.一千一百二十二万三千四百
【简答题】One day, a boy had a fight with one of his classmates. He didn’t wait until school was over, and hurried home to his grandfather. He told him his story angrily. “He is really bad,” the boy said, “and ...
【简答题】24005600读作: 4578000000读作: 1443800读作: 九百六十万写作: 三百二十万一千零三写作: 六亿六千万六千七百写作:
【单选题】John was so shy at the party that he didn’t speak until ().
A.
he was spoken
B.
being spoken
C.
being spoken to
D.
spoken to
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