车辆发动机温度上升速度过快，超过正常温度，是由于节温器处于（）状态。
A.开启
B.关闭
C.半开
D.半闭
参考答案：B
—How do you find his advice?
—What he said sounded ________，I think.
A．quite perfectly
B．nice and helpful
C．very clearly
D．polite or friendly
不属于牙源性发育性囊肿的是
A．含牙囊肿
B．龈囊肿
C．牙旁囊肿
D．角化囊肿
E．萌出囊肿
