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【单选题】
牙周外科手术常用的是 ( )
A.
移骨术
B.
植骨术
C.
牙槽骨成形术
D.
牙槽骨切除术
E.
以上均不对
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参考答案:
举一反三
【单选题】He doesn't______into self-pity because of his job as a trash man instead, he feels proud of it as he thinks it is an essential task.
A.
withdraw
B.
retreat
C.
retire
D.
reverse
【单选题】听力原文:W: Sit down please, Mr. Johnson. M: Nice to meet you, ma'am. W: I have read your letter here. You seem to have done very well in school. Can you tell me something about your schoolwork? M: As you...
A.
history
B.
geography
C.
mathematics
D.
art
【单选题】土壤长期淹水,植物就会死亡,原因是 [     ]
A.
根部吸收的水太多
B.
蒸腾作用太强
C.
光合作用太弱
D.
根部得不到氧气
【判断题】The man feels glad to dismiss an employee.
A.
正确
B.
错误
【简答题】长期阴雨天,农田积水,若不及时排水,淹水的旱生作物就会很快死亡,是由于植物根的______作用无法进行的缘故;放置时间长的萝卜会空心,就是由于萝卜的呼吸作用分解了大量的______的缘故。
【单选题】听力原文:W: Sit down please, Mr. Johnson. M: Thank you. W: I have read your application letter here. You seem to have done very well in school. Can you tell me something about your schoolwork? M: As you c...
A.
Talking with his teacher about his schoolwork.
B.
Preparing software.
C.
Talking to an interviewer.
D.
Writing programs.
【单选题】How to say “sit down please”?
A.
nǐ hǎo 你 好
B.
nín hǎo 您  好
C.
qǐnɡ zuò 请   坐
【单选题】如果植物体长期淹水也会死亡,主要原因是
A.
过多的水分造成温度降低,影响根的呼吸
B.
过多的水分会造成根部缺氧,使根部的呼吸受阻
C.
水分促进细胞的大量繁殖,导致根部腐烂
D.
根毛吸收水分过多,肥料相对减少,营养供应失调
【多选题】汇编语言相对于C语言对8051进行编程时的缺点有( )。
A.
与CPU硬件结构紧密相关,CPU不同汇编也就不同
B.
汇编语言不能良好移植
C.
用汇编语言进行编程要必须了解CPU的结构与性能
D.
汇编语言的执行效率较差
【单选题】In fact Mrs. Smith ______what the man had said.
A.
understood
B.
was puzzled about
C.
was glad to hear
D.
didn’t understand
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