They are talking _______.
A. face to face
B. on the phone
C. by E-mail
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They are talking about ________.
A. products
B. future cooperation
C. samples
They will meet up ______.
A. tomorrow
B. this week
C. next week
猪油比牛油的必需脂肪酸含量( )。
A. 高
B. 低
C. 相等
花生油、大豆油等植物性油脂的必需脂肪酸含量( )猪油、牛油等动物性脂肪。
A. 高于
B. 等于
C. 低于