问题
单项选择题
多为革兰阴性杆菌
A．血标本增菌培养呈现浑浊并有凝块
B．血标本增菌培养呈现均匀浑浊，发酵葡萄糖产气
C．血标本增菌培养呈现微浑浊，有绿色变化
D．血标本增菌培养表面有菌膜，膜下见绿色浑浊
E．血标本增菌培养血液层上面有颗粒生长，自上而下的溶血
答案
参考答案：B
解析：血标本增菌培养呈现均匀浑浊，发酵葡萄糖产气多为革兰阴性杆菌。
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多为革兰阴性杆菌
A．血标本增菌培养呈现浑浊并有凝块
B．血标本增菌培养呈现均匀浑浊，发酵葡萄糖产气
C．血标本增菌培养呈现微浑浊，有绿色变化
D．血标本增菌培养表面有菌膜，膜下见绿色浑浊
E．血标本增菌培养血液层上面有颗粒生长，自上而下的溶血
参考答案：B
解析：血标本增菌培养呈现均匀浑浊，发酵葡萄糖产气多为革兰阴性杆菌。
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| A passenger told an air hostess that he needed a cup of water to take his medicine when the plane just took off.She told him that she would__1__the water in ten minutes. Thirty minutes later, when the passenger's ring for__2__sounded, the air hostess realized it at once. She was kept so__3__that she forgot to deliver him the__4__.As a result, the passenger was__5__to take his medicine.She hurried over to him__6__a cup of water, but to her surprise he__7__it. In the following hours on the__8__, each time the air hostess passed by the__9__, she would ask him with a 10 whether he needed help or not.But the passenger 11 paid attention to her words. When he was going to get 12 the plane, the passenger asked the air hostess to 13 him the passengers' booklet(意见簿). She was very 14 .She knew that he would write down 15 words, which might result in the loss of her job. 16 with a smile she handed it to him. Off the plane, she 17 the booklet and cracked a smile, 18 the passenger put it, "On the flight, you asked me whether I need help or not for twelve times 19 . How can I refuse your twelve sincere smiles?" That's 20 ! Who can refuse twelve sincere smiles from a person? | ||||
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