洗涤血小板后,血浆去除率应达多少()。
A.99%
B.97%
C.95%
D.92%
E.90%
参考答案:C
The lost car of the Lees was found _____ in the woods off the highway.
A.vanished
B.abandoned
C.scattered
D.rejected
在( )内填上表示颜色的词。
( )的地毯 ( )头巾
( )的凤凰花 ( )长裤
( )的花瓣 ( )褂