下咽癌常伴随的临床症状有（）.
A.吞咽异物感
B.吞咽疼痛
C.声音嘶哑
D.咳嗽或呛咳
E.吞咽不畅
参考答案：A, B, C, D, E
脂肪酸合成的原料乙酰COA从线粒体转移至胞液的途径是（）
A.三羧酸循环
B.乳酸循环
C.糖醛酸循环
D.柠檬酸-丙酮酸循环
E.丙氨酸-葡萄糖循环
It seemed a pity they ate it after all the trouble they had _____in making it.
A．met
B．shared
C．taken
D．made
