题目

 细胞增殖过程中DNA含量会发生变化。根据细胞DNA含量不同,将某种连续分裂的细胞分为三组,每组的细胞数如右图。从图中所示结果分析其细胞周期,不正确的是       A.乙组细胞正在进行DNA复制 B.细胞分裂间期的时间比分裂期长 C.丙组中只有部分细胞的染色体数目加倍 D.将周期阻断在DNA复制前会导致甲组细胞数减少A woman and a man were involved in a car accident on a snowy cold Monday morning. Both of their cars became totally damaged. But amazingly neither of them was hurt.  God works in mysterious ways.   After they got out of their cars, the woman said, “So you are a man. That’s interesting.  I’m a woman. Wow, just look at our cars ! There is nothing left, but we’re unhurt. This must be a sign from God that we should meet and be friends and live together in peace for the rest of our days.”    Flattered, the man replied, “Oh yes, I agree with you completely. This must be a sign from God!”    The woman continued, “ and look at this, here is another miracle. My car is completely destroyed but this bottle of wine doesn’t break. Surely God wants us to drink this wine and celebrate our good fortune.” Then she handed the bottle to the man.    The man nodded his head in agreement, opened it and drank half the bottle and then handed it back to the woman. The woman took the bottle and immediately put the cap on, and handed it back to the man. The man asked, “Aren’t you having some?” The woman replied, “No, I think I’ll just wait for the police---” What is the result of the accident? The drivers were badly hurt.  B. The cars were completely destroyed C. the police arrived and saved the drivers. D. the drivers became good friends The woman told the man to drink the wine to ________. A. thank God’s help      B. accept her apology C. celebrate their survival  D. calm down and get relaxed Which of the following words can best describe the woman?    A. tricky    B. friendly   C. generous      D. optimistic
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