【单选题】可进行造血干细胞采集的时机为外周血中 CD34+ 细胞的数量达到:
【简答题】语言是人类最重要的交际工具和思维工具,那么除了语言,还有那些交际工具?
【单选题】The author's purpose in writing the passage is ______. ( )
A.
to help children to gain a better understanding of animal life
B.
to prove that the saying 'a rolling stone gathers no moss' is wrong
C.
to introduce a particular animal to the common reader
D.
to discuss with professionals the laziness of animals
【单选题】Which group of children has a bias when choosing musical instruments?
A.
Children who have private music tutors.
B.
Children who are 8 or older.
C.
Children who are between 5 and 7.
D.
Children who are well-educated.
【单选题】初产妇,28岁,妊娠30周来产前检查。身高153cm,体重50kg,血压120/80mmHg,枕左前位,胎先露浮动,骨盆测量为均小骨盆。关于该诊断,不正确的是
【单选题】The parents of children who attend private schools ______ for their children's education.
B.
have to make preparations
D.
don' t have to make preparation
【单选题】初产妇,28岁,妊娠30周来产前检查。身高153cm,体重50kg,血压120/80mmHg,枕左前位,胎先露浮动,骨盆测量为均小骨盆。关于该诊断,不正确的是
【单选题】As the evidence shows, who would most likely imitate TV violence?
A.
The children who are the only child of the family.
B.
The children who are extraordinarily imaginative.
C.
The children who like to act against the rules.
D.
The children who like fantasy TV programs.