以下关于金瓷冠的描述正确的是 ()
A.瓷层越厚越好
B.镍铬合金基底冠较金合金强度好
C.避免多次烧结
D.体瓷要在真空中烧结
E.上釉在空气中完成
参考答案:A, B, C, D
根据括号里的提示,写出答句。
1. A: Where are you going? (Science Museum)
B:
2. A: What are they going to do tomorrow? (play basketball)
3. A: How does your father go to Canada? (by plane)
4. A: Where's your home? (near the park)
5. A: Is she cleaning her room? (Yes)
作为货币政策目标的充分就业是指()
A.自愿失业
B.非自愿失业
C.摩擦性失业
D.季节性失业