内感觉器
参考答案:
指位于身体内部,存在于血管、内脏、骨骼肌、肌腱、关节、内耳前庭器官等处,感受内环境的变化。
John has really got the job because he showed me the official letter him it.
A.offered
B.offering
C.to offer
D.to be offered
1958年初,中国在()以北的戈壁滩上建起了我国第一个航天发射场。
A、西昌
B、成都
C、太原
D、酒泉