蛋白细胞分离现象，是诊断椎管内肿瘤的重要依据之一。()
参考答案：对
小题1:Children need time to do things by t_______(他们自己)
小题2: Rodert and his friends walked home together in s________(沉默)
小题3: Could you pass on the m________(消息) to Alice?
小题4:Marcia wants to have a s _________(惊讶) party for her mom.
小题5: How l_________(幸运的) you are!
氧化铝熔解度随分子比增大而（）。
A、增大
B、减小
C、不变
