下列入境货物，在报检时须提供国外官方机构出具的检疫证书的有( )。
A．新鲜水果
B．旧机电产品
C．动物产品
D．可用作原料的废物
参考答案：A,D
Great changes have taken place in that school. It is no longer ___ it was 20 years ago, ___ it was so poorly equipped.
A．what, when
B．that, which
C．what, which
D．which, that
生后1天新生儿白细胞20×109/L，N 0.65，L0.35，幼稚细胞偶见，提示该新生儿为
A．正常
B．体内有感染灶
C．白血病
D．类白血病
E．骨髓外造血
