健康猪的体温范围是()。
A、36.1~38.5℃
B、37.2~38.1℃
C、38.7~39.8℃
参考答案:C
My friend and I will go on a day _____ to Shenzhen tomorrow.
A.journey
B.travel
C.tour
D.trip
全口义齿试戴时发现下半口义齿后退,是由于:()
A.取颌位时下颌后退
B.取颌位时下颌前伸
C.下颌义齿排牙太靠前
D.下颌义齿排牙太靠后