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【单选题】
氧化呼吸链中,成分1的△E 0 ′为-O.32v,2的△E 0 ′为-0.06v,那么()A.
1是氧化剂
B.
2是还原剂
C.
电子由l到2
D.
电子由2到1
E.
无电子转移
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【单选题】Suppose module puppy depends on module dog and module dog depends on module animal. Fill in the blank so that code in module dog can access the animal.behavior package in module animal.module animal {...
A.
export
B.
exports
C.
requires
D.
requires transitive
【单选题】In the illustrated diode circuit, diode D is _____. Fill in the blank with on or off. Choose A or B.
A.
on 导通
B.
off 截止
【单选题】Read the paragraph from the section "Delivery Penguin." The penguin's last task of the day was helping with deliveries. She hopped in the truck loaded with books. They drove off to deliver them. Fill ...
A.
a job
B.
an offer
C.
an idea
D.
a chance
【简答题】I.Using the Right World Fill in the blanks with the words given below, changing the form if necessary. Fill in each blank ...
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