生物氧化主要是()、()、()等在分解时逐步释放(),最终生成()和()的过程。
参考答案:糖;脂肪;蛋白质;能量;二氧化碳;水
He pretended ________for fear of the coming examination. [ ]
A. ill
B. to be ill
C. being ill
D. to being ill
Tom, turn down the music. Why you make such a big noise while your baby sister is sleeping?
A.must
B.would
C.should
D.may