海口体育馆每年冬季都主办羊毛衫展销,在挑选羊毛衫时怎样用简便的方法区别出真羊毛衫和人造羊毛衫呢?
取样,用火烧,产生焦臭味的是真羊毛衫,没有焦臭味的是假羊毛衫。
Hello,I’m an English girl. My first name is Lucy. My last name is White. I’m in No.3 Middle School.My father and mother are in No.3 Middle School,too. They are English teachers. My brother is in Peking University(北大). His name is Tony. My Chinese teacher is nice. Her name is Wang Yan.She can speak(说)very good English. She is a good teacher.
小题1:My name is_______.
A.White Lucy
B.Lucy White
C.Wang Yan
D.Tony White小题2:Tony is_________.
A.my father
B.my mother
C.my Chinese teacher
D.my brother.小题3:There are(有)_______people(人) in my family.
A.two
B.three
C.four
D.five小题4:Wang Yan is________.
A.a Chinese teacher
B.my aunt
C.an English teacher
D.a student
患者男性,15岁。2个月前偶然发现右肱骨上端一圆形硬性肿块,不活动,边界清楚,右上肢活动轻度受限。
该肿瘤好发的部位是()
A.骨干
B.骨干骺端
C.骨骺
D.骨端
E.骨髓