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【单选题】
( 2018 浙江卷, 17 )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的要大
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】Which sentence from the section "When It Is Time To Quit" explains why sports might no longer be fun for kids?
A.
They stop playing sooner than expected.
B.
About 7 in 10 kids quit playing sports by age 13.
C.
There is too much pressure during games.
D.
"Joy" and "fun" matter a lot in sports.
【简答题】Quit, don't quit. Noodles, don't noodles. You are too concerned with what was and what will be. There's a saying: Yesterday is history, tomorrow is a mystery, but today is a gift. That is why it is ca...
【简答题】翻译了俄国作家果戈里的 ;前苏联法捷耶夫的 。
【简答题】选自《功夫熊猫》( Kongfu Panda ) Quit, don’t quit. Noodles, don’t noodles. You are too concerned with what was and what will be. There’s a saying: Yesterday is history, tomorrow is a mystery, but today is a g...
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