问题
单项选择题
脂肪酸山梨坦类非离子表面活性剂
A．卵磷脂
B．吐温80
C．司盘80
D．卖泽
E．十二烷基硫酸钠
答案
参考答案：C
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脂肪酸山梨坦类非离子表面活性剂
A．卵磷脂
B．吐温80
C．司盘80
D．卖泽
E．十二烷基硫酸钠
参考答案：C
| 用方框内所给单词的适当形式填空。 | |
2. Look! The dog __________ on the ground. 3. She has no book. Please give it to __________. 4. June 1st is __________ Day. 5. The girls are __________ the clothes now. 6. They are __________ to the radio now. 7. Do you often take any __________? |