问题
单项选择题
一般地说，适合诊断的密度范围在( )
A．0～0.15
B．0.15～0.25
C．0.25～0.5
D．0.25～2.0
E．2.0～3.0
答案
参考答案：D
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一般地说，适合诊断的密度范围在( )
A．0～0.15
B．0.15～0.25
C．0.25～0.5
D．0.25～2.0
E．2.0～3.0
参考答案：D
| 完形填空。先通读下面的短文，掌握其大意，然后在每小题所给的四个选项中选出最佳选项，并将答案填在相对应的括号内。 | ||||
| J. K Rowling was very happy in her childhood, with father's and mother's deep love, younger sister — Dianne's company (陪伴). Her brain was full of 1 ideas and thoughts.When in her childhood, Rowling liked to 2 the game full of magic best. She 3 herself up as a witch (女巫). Her friends would take some sticks 4 their own homes to use as the magic stick. After they made 5 up, they would ride on the brooms (扫帚), and 6 about in the garden. They acted as if they were wizards and witches. Rowling 7 most of her childhood in such games with magic. Rowling often 8 some stories about the rabbit. Her sister Dianne was her first 9 . At that time, each of her stories would begin with such words: one day, Dianne carelessly fell into a rabbit's cave… Rowling spent her childhood 10 , with magic and fantasy (幻想) around her closely. | ||||
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