根据划线字母的发音给单词分类。
hen apple duck bag red son
1.
2.
3.
1. hen, red 2. apple, bag 3. duck, son
A parent reports that his 2-year-old child often fails when running. The nurse interprets this as indicating which of the following as a normal aspect of a toddler’s vision()
A. Near-sightedness.
B. Far-sightedness.
C. Binocular vision.
D. Strabismus.
TOSI锅炉磨煤机减速箱润滑油压,正常时应不小于()kPa。