问题
单项选择题 B型题
Smith氧化降解法开裂α-L-鼠李糖氧苷可得（）
A.丙三醇
B.乙二醇
C.丙三醛
D.甲基乙二醛
E.甲基乙二醇
答案
参考答案：E
搜题请搜索小程序“爱下问搜题”
Smith氧化降解法开裂α-L-鼠李糖氧苷可得（）
A.丙三醇
B.乙二醇
C.丙三醛
D.甲基乙二醛
E.甲基乙二醇
参考答案：E
| 根据失物招领告示,选择正确答案. | |||
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| 1．________ found a computer game． | |||
| A．John B．Mike C．Gina | |||
| 2．John's telephone number is _________． | |||
| A．495-3638 B．685-6034 C．929-3012 | |||
| 3．Mike lost ________． | |||
| A．his computer game B．his ID card C．his ring | |||
| 4．Gina found _________． | |||
| A．a computer game B．an ID card C．a ring | |||
| 5．Alice lost a ring．She can call _______． | |||
| A．685-6034 B．495-3638 C．929-3012 |