问题
选择题
关于细胞学说的叙述，错误的是[ ]
A．它揭示了动植物细胞的多样性
B．建立者主要是施莱登和施旺
C．它揭示了动植物的统一性和生物体结构的统一性
D．是多位科学家在探索中开拓、继承、修正和发展而建立的
答案
答案：A
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关于细胞学说的叙述，错误的是[ ]
A．它揭示了动植物细胞的多样性
B．建立者主要是施莱登和施旺
C．它揭示了动植物的统一性和生物体结构的统一性
D．是多位科学家在探索中开拓、继承、修正和发展而建立的
答案：A
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| Alice is my neighbor's daughter. Her parents sent 1 to school though they were poor. One day it rained 2 , his father went to work on a farm on top of a hill. He fell down and broke his leg. They 3 much money for seeing the doctor and the girl didn't go to school 4 more. She learned cooking, washing and 5 rooms. And her mother found a job for her in the town. There she works for Mr White. She tried her best to do 6 well. Mr White was pleased at her and paid her more. One day Mr White wanted to post an important letter 7 he was busy writing a book. He called Alice in and said, "Here is a letter and eighty cents (美分). Go to the post office and 8 it. But remember: Before you put the letter into the postbox, you must buy a 9 and stick it on the envelop." "OK, sir," the girl said and went away. About half 10 hour later the girl came back. She went into Mr White's workroom and gave the eighty cents back 11 him. "Haven't you posted the letter yet?" the man asked in surprise. "Yes, I have, sir." " 12 didn't you buy a stamp, then?" " 13 look on me like that, sir," the girl 14 , "When I got to the post office, I had a look around and found there was nobody near the post office. 15 I put the letter into it quickly and I've saved the money for you!" | ||||
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