问题
填空题
革兰氏染色是（）染色，染后能否被乙醇脱色则决定于（）的性质。G-细菌染色总是（）的，而G+细菌染色结果（）。
答案
参考答案：原生质，细胞壁，红色，紫色
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革兰氏染色是（）染色，染后能否被乙醇脱色则决定于（）的性质。G-细菌染色总是（）的，而G+细菌染色结果（）。
参考答案：原生质，细胞壁，红色，紫色
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| It's Saturday morning. Tony's sitting at the kitchen table, 1 with a piece of bread. He's not even 2 . Is he ill? No, but he does have a 3 . He has nothing to do because the Internet is down. When he 4 up this morning, Tony was feeling 5 . He jumped out of bed full of plans for the weekend 6 . It would be a weekend like any other-a great weekend. But that was 7 he turned on his computer and 8 he was unable to go online. Having no Internet changes everything. Every weekend, Tony 9 goes online to email friends, read the 10 to keep up with what's happening in the world and 11 a few online chess games with his cousin Helen to finish the weekend off. The perfect weekend-online! Just as Tony is 12 how he can possibly have a normal weekend without the Internet, his mum walks into the 13 . "Cheer up, Tony. Don't 14 the Internet any more, OK?" Tony makes no 15 but sighs (叹 气). "Go and play chess with Helen!" Tony's mum- 16 . "Oh, yes! Helen lives just around the 17 . We can meet and play chess face to face for a 18 . Maybe this weekend won't be so bad," Tony 19 , as he walks to the phone. There is 20 without the Internet after all. | ||||
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