The nurse preparing to give a child an intramuscular injection chooses to give the injection into the gluteal muscle. The site is acceptable because which of the following reasons

A. The child has been walking for 1 year.
B. The child has small deltoid muscles.
C. The child is older than 2 years.
D. The child weighs more than 25 pounds.

普通经济型腻子按涂装工艺规程可刮涂在（）上。

A、铁板

B、镀锌板

C、环氧底漆

D、合金底漆