— _____ name is Amy.
A:his, His
B:her, His
C:her, Her
A: What are they?
B: They are ____.
A: Do you like ____?
B: No, I don't.
( 2aa−1 ﹣1)÷ a+1a2−2a+1 .
直接写出得数.
1−15 =____ 1+15 =____ 1÷15 =____ 1×15 =____
在观察口腔上皮细胞临时装片时,王刚同学用显微镜先后在视野中看到了下列不同的物像效果,如图所示.请回答.