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【单选题】
下述下颌切牙与上颌切牙区别中哪个不正确:A.
下颌切牙牙冠较窄小
B.
下颌切牙牙冠唇面呈梯形、狭长
C.
下颌切牙牙根窄而扁
D.
下颌切牙的切嵴靠近牙体长轴
E.
颌切牙舌面边缘嵴明显，舌窝较深
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皮皮学刷刷变学霸
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【简答题】People need something to ________ and to ________ what they're doing, and we hope that by doing these small gestures we're ________ to that.
【单选题】—We're doing a lot to protect our environment, but it is not good enough. —So we should try ______ to look after it. [ ]
A.
hard
B.
harder
C.
hardest
D.
hardly
【简答题】From time to time, we all get a bit down. Maybe we are feeling bad because we’re not doing well with our goals. There are many reasons for feeling down, but I’m not able to discuss all of them. ___小题1...
【单选题】The communities that I come from are very nervous about the outcome of what we're doing because it seems ______ even if the outcome is good.
A.
precarious
B.
precautious
C.
precious
D.
premature
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