问题
单项选择题 A1/A2型题
下列哪项不是铜绿假单胞菌所产生的毒素和酶()
A.铜绿假单胞菌外毒素A
B.蛋白分解酶
C.胞外酶S
D.弹性蛋白酶
E.红疹毒素
答案
参考答案:E
解析:铜绿假单胞菌主要致病物质是内毒素,此外尚有菌毛、荚膜、胞外酶和外毒素等多种致病因子,但无红疹毒素。
下列哪项不是铜绿假单胞菌所产生的毒素和酶()
A.铜绿假单胞菌外毒素A
B.蛋白分解酶
C.胞外酶S
D.弹性蛋白酶
E.红疹毒素
参考答案:E
解析:铜绿假单胞菌主要致病物质是内毒素,此外尚有菌毛、荚膜、胞外酶和外毒素等多种致病因子,但无红疹毒素。
完形填空。 | |||
Daniel is an American young man. He lives on the 1 floor of a tall building. His office is more than ten kilometers away. He must get up early 2 a quarter past six, and 3 home at seven. The lift takes him down. Then he 4 to the bus stop. The stop is only two 5 metres from the building. There he 6 No. 11 Bus. He begins 7 at eight and finishes it at five. Then he comes back. He takes the lift up to the 8 floor. Then he 9 up the three floors on foot, just for exercise. He cooks and eats his supper, and watches TV until 10 . After that Daniel usually falls into bed for night. | |||
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