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【简答题】
在观察某植物细胞的质壁分离及质壁分离复原实验中,依次观察到的结果示意图如下,其中 1 、 2 指细胞结构。下列叙述正确的是( ) A. 甲状态时不存在水分子跨膜运输进出细胞的现象 B. 甲 → 乙变化的原因之一是结构 1 的伸缩性比 2 要大 C. 乙 → 丙的变化是由于外界溶液浓度小于细胞液浓度所致 D. 细胞发生渗透作用至丙状态,一段时间后该细胞会破裂
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举一反三
【单选题】I was told that the water of the Ganjiang River is much cleaner than ____ of the Xiangjiang River.
A.
those
B.
one
C.
that
D.
ones
【单选题】1砼衬砌施工的顺序为A 清除防水层表面灰粉并洒水湿润 B 对模板 支架 预埋件等进行检查 C 砼对称、分层浇筑 D 拆模移动衬砌台车。
A.
ABCD
B.
BACD
C.
DABC
D.
BADC
【简答题】Section B Read the following two passages and fill in the blanks with the given words. 阅读下列文章,在空白处填上合适词汇的选项。 A. But B.Probably C. clearer D. future E. example People like to t...
【单选题】Either Dale or Jerry going to help the cleaner with the rubbish this Sunday afternoon.
A.
is
B.
are
C.
was
D.
were
【简答题】Valentine’s Day is named for Saint Valentine, an early Christmas churchman who helped young lovers. Valentine was killed for his Christian beliefs on February 14 more than 1700 years ago, but the day ...
【单选题】Which of the following is NOT true about Valentine?
A.
Valentine's Day has a long history.
B.
Old people don't celebrate Valentine's Day.
C.
People have different ways to celebrate Valentine's Day.
D.
Sweethearts usually send cards on Valentine's Day.
【简答题】Page 54: Exercise B of the Passage in Part 3 Section Two
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