1、The process of measurement, the most fundamental operation in physics, will be discussed briefly in this chapter.该句中的同位语是

A、will be discussed briefly
B、the most fundamental operation in physics
C、this chapter
D、measurement

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2、Vitamin B9 — also known as folate（叶酸）— can be found in many fruits, vegetables and beans.该句中的插入语是

A、also known as folate
B、Vitamin B9
C、can be found in many fruits, vegetables and beans

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A、使…用
B、让…使用
C、使用

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A、on
B、in
C、at
D、as

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A、effect of A on B
B、effect of A to B
C、effect of A with B
D、effect of A in B

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