关于脂类代谢叙述正确的是()。
A.人类膳食中脂类主要是类脂
B.脂肪的消化主要在胃
C.食物中的胆固醇在肠道被吸收
D.膳食纤维可减少胆固醇吸收
参考答案:C, D
The teacher, with 6 girls and 8 boys of her class, ________ visiting a museum when the earthquake struck.
A.was
B.were
C.had been
D.would be