问题
单项选择题 B1型题
为无细胞外源性纤维牙骨质和有细胞固有纤维牙骨质不规则交替沉积而成。通常分布在根分歧区及根尖区的是（）
A.无细胞无纤维牙骨质
B.无细胞外源性纤维牙骨质
C.有细胞固有纤维牙骨质
D.无细胞固有纤维牙骨质
E.有细胞混合性分层牙骨质
答案
参考答案：E
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为无细胞外源性纤维牙骨质和有细胞固有纤维牙骨质不规则交替沉积而成。通常分布在根分歧区及根尖区的是（）
A.无细胞无纤维牙骨质
B.无细胞外源性纤维牙骨质
C.有细胞固有纤维牙骨质
D.无细胞固有纤维牙骨质
E.有细胞混合性分层牙骨质
参考答案：E
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| Born in America, I spoke English ,not Chinese ,the language of my ancestors . When I was three, my parents flashed cards with Chinese 1 at my face , but I pushed them 2 ,my mom believed I would learn 3 I was ready .But the 4 never came. On a Chinese New Year's Eve , my uncle spoke to me in Chinese , but all I could do was 5 at him , confused , scratching my head . " Still can't speak Chinese?" He 6 me , "You can't even buy a fish in Chinatown ." "Hey ,this is America , not Chinese. I'll get some 7 with or without Chinese." I replied and turned to my mom for permission. "Remember to ask for fresh fish, Xin Xian Yu ," she said ,handing over a $20 bill .I 28 the words running downstairs into the streets of Chinatown. I found the fish stand surrounded in a sea of customers. "I'd like to buy some fresh fish ," I said to the fishman. But he 9 my English words and turned to serve the next customer .The laugh of the people behind increased 10 their impatience. The breath of the dragons on my back grew stronger-my blood boiling- 11 me to cry out . "Xian Sheng Yu, please " "Very Xian Sheng ," I repeated .The crowd erupted into laughter . My face turned 12 and I ran back home 13 , except for the $20 bill I held tightly in my pocket . Should I laugh or cry they 're Chinese . I should feel right at home. Instead , I was the joke , a disgrace ( 丢脸)to the language. Sometimes , I laugh at my fish 14 , but , in the end the joke is on me. Every laugh is a culture 15 ; every laugh is my heritage ( 传统)fading away. | |||
| ( )1.A. custom ( )2.A. ahead ( )3.A. when ( )4.A. success ( )5.A. aim ( )6.A. cared about ( )7.A. right now ( )8.A. repeated ( )9.A. guessed ( )10.A. by ( )11.A. forcing ( )12.A. bright ( )13.A. open-mouthed ( )14.A. trade ( )15.A. thrown | B. games B. around B. before B. study B. joke B. laughed at B. from now B. reviewed B. forget B. as B. allowing B. blank B. tongue-tied B. deed B. lost | C. characters C. along C. unless C. time C. nod C. argued with C. at times C. spelled C. doubted C. with C. persuading C. pale C. empty-handed C. challenge C. divided | D. language D. aside D.until D.attenmpt D. stare D. asked after D. in time D. kept D. ignored D. from D. leading D. red D. broken-hearted D. incident D. reflected |