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【单选题】
预备牙合支托窝的方法中错误的是A.
在缺隙侧基牙牙合面的近远中边缘嵴处预备
B.
支托窝呈圆三角形或匙形
C.
尽量利用上下牙咬合状态的天然间隙
D.
支托窝预备在基牙的牙本质上
E.
必要时可调磨对牙合牙
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举一反三
【单选题】He often has _____ _____ eleven o'clock. [ ]
A.
the lunch, on
B.
lunch, about
C.
a lunch, in
D.
lunch, at
【单选题】Where did the man have his lunch today?
A.
The man had his lunch in the lunch room.
B.
The man has his lunch in the classroom.
C.
The man did not have his lunch today.
【单选题】单项选择。 It's time _______. [ ]
A.
for lunch
B.
to lunch
C.
to have a lunch
D.
for a lunch
【单选题】单项选择。 Does the waiter ______ today? [ ]
A.
have lunch
B.
has lunch
C.
have the lunch
D.
has the lunch
【单选题】It's _____. Let's go together. [ ]
A.
lunch's time
B.
lunch time
C.
time lunch
D.
time to lunch
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