问题
单项选择题 A1/A2型题
滑动法在关闭拔牙间隙时，最常使用（）
A.0.016×0.022英寸不锈钢方丝
B.0.017×0.025英寸不锈钢方丝
C.0.018×0.025英寸不锈钢方丝
D.0.019×0.025英寸不锈钢方丝
E.0.021×0.025英寸不锈钢方丝
答案
参考答案：D
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滑动法在关闭拔牙间隙时，最常使用（）
A.0.016×0.022英寸不锈钢方丝
B.0.017×0.025英寸不锈钢方丝
C.0.018×0.025英寸不锈钢方丝
D.0.019×0.025英寸不锈钢方丝
E.0.021×0.025英寸不锈钢方丝
参考答案：D
| 补全对话。 | |
B: We arrive in Beijing at 4: 00. A: Do you go to Tian'anmen Square? B: 2___________ We see some boys playing games. A: 3___________ B: We go to the Palace Museum. A: 4___________ B: It's about five hundred years. A: OK! Have a good time in Beijing. |