Food for Chinese and westerners is_______.
A. thesame
B. much different
C. little different
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What is a proper topic when you are talking with an American ?
A. salary
B. marital status
C. hobby
What is a proper response of the following to “Thank you. ” ?
A. Don’t mention it.
B. It doesn’t matter at all
C. It is my duty to do so.
American parents would ask their children’s opinion in family decision-making because_______
American children have much power in the family.
B. American parents take their children as an equal.
C. American parents are unable to make decisions themselves.
由能斯特方程可知，能斯特电位（膜电位）的绝对值
A. 随着膜两侧离子浓度差的增大非正比增大
B. 随着膜两侧离子浓度差的增大正比增大
C. 随着膜两侧离子浓度差的增大非反比减小
D. 随着膜两侧离子浓度差的增大反比减小
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