【单选题】Direct drying affects the quality of meat or fish because ______
A.
it exposes them to insects
C.
it damages the protein
【单选题】题目:铜板和铜板上的铁铆钉,哪个更容易生锈?
【单选题】测血压时,输气球打气至肱动脉音消失时,此时袖带内压力是
【单选题】The midge ______ to any of several species of small flies, refers to a mosquito-like insect with slender wings and body, long legs, and antennae.
【单选题】The author tells you that one of the best bait to use for fishing is ______.