问题
单项选择题
弯制磨牙卡环常用的钢丝规格是()
A．直径0.8mm的钢丝
B．直径0.9mm的钢丝
C．直径1.2mm的钢丝
D．直径0.7mm的钢丝
E．直径0.5mm的钢丝
答案
参考答案：B
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弯制磨牙卡环常用的钢丝规格是()
A．直径0.8mm的钢丝
B．直径0.9mm的钢丝
C．直径1.2mm的钢丝
D．直径0.7mm的钢丝
E．直径0.5mm的钢丝
参考答案：B
| 完形填空。 |
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| ( )1. A. died ( )2. A. look like ( )3. A. helping ( )4. A. cleaner ( )5. A. walk ( )6. A. awful ( )7. A. why ( )8. A. for ( )9. A. anything ( )10. A. example | B. woke B. look at B. working B. nurse B. run B. tired B. where B. on B. nothing B. gift | C. slept C. look after C. studying C. worker C. sweep C. happy C. when C. with C. something C. teacher | D. went D. look for D. teaching D. teacher D. talk D. boring D. how D. in D. everything D. helper |