平时我们说的血缘关系是指[ ]
A.红细胞
B.白细胞
C.血小板
D.遗传物质
答案:D
Look and fill in the blanks. (看图填空)14
Look, it is a clock. 1.______ time is it? 2.______10 : 05.
It's 3.______ for 4.______ class. You can see a 5. _______,
and 6.______ 7.______
点状检影验光,若出现带状顺动映光,则表明该状态为()。
A.近视散光
B.远视散光
C.散光
D.复合性远视散光