Rh血型有多少基因型?用5种抗血清可查出多少表型?
参考答案:根据Fisher-Race命名法,Rh血型有36种基因型,18种表型。
China is embarrassed by such a fact: Chinese visitors______ rubbish on the Great Wall, followed by a foreigner picking up the litter.
A.will drop
B.would drop
C.are dropping
D.had dropped
Java中,新建的线程调用start()方法,如mythread.start(),将使线程的状态从New (新建状态)转换为______。