It's about 500 meters _______ her home. [ ]
A. far
B. away
C. from
D. far from
答案:C
“数量及单位”栏应填()。
A.50463kg
B.50200kg,100000m
C.100000m
D.50463kg,100000m
下列动物的受精卵发育受外界环境影响较大的是
①鲸②麻雀③青蛙④兔⑤鱼⑥蛇[ ]
A.①③⑤⑥
B.③④⑤⑥
C.①②③⑥
D.②③⑤⑥