问题描述：
sat grammar in OG
1.Ignorance is not equivalent to stupidity,( )
A.for ignorance can often be corrected while stupidity cannot
B.because the two differ regarding corectibility
2.The lawyers representing the parking-lot operators asserted ( )
A.As to the defensibility of their practices as legal and ethical
B.That in regards to defensibility their practices are legally and ethically defensible
C.That the practices of the operators are legally and ethically defensible
3.After marching for 4 hours in temperatures exceeding ninety degrees,the band members were as soaked as ( ) through a rainstorm.
A.If marching
B.Having marched
C.If they had marched
4.( ),Linda is an expert at describing people and places.
A.A gifted storyteller
B.Telling stories giftedly
[from 1 to 4,please choose one answer ,and explain why the incorrect ones are incorrect]
5.Please judge whether this sentence is correct or incorrect:
Crabs living in polluted waters will come in contact with large members of disease-causing microorganisms because they feed by filtering nutrients from water.
[ please pay attention to “ they feed by”,is this expression correct?If it is correct,who are “they” ,and why “they feed by” and not “they are fed by”?]
[Thank you]
1.Ignorance is not equivalent to stupidity,( )
A.for ignorance can often be corrected while stupidity cannot
B.because the two differ regarding corectibility
2.The lawyers representing the parking-lot operators asserted ( )
A.As to the defensibility of their practices as legal and ethical
B.That in regards to defensibility their practices are legally and ethically defensible
C.That the practices of the operators are legally and ethically defensible
3.After marching for 4 hours in temperatures exceeding ninety degrees,the band members were as soaked as ( ) through a rainstorm.
A.If marching
B.Having marched
C.If they had marched
4.( ),Linda is an expert at describing people and places.
A.A gifted storyteller
B.Telling stories giftedly
[from 1 to 4,please choose one answer ,and explain why the incorrect ones are incorrect]
5.Please judge whether this sentence is correct or incorrect:
Crabs living in polluted waters will come in contact with large members of disease-causing microorganisms because they feed by filtering nutrients from water.
[ please pay attention to “ they feed by”,is this expression correct?If it is correct,who are “they” ,and why “they feed by” and not “they are fed by”?]
[Thank you]
问题解答：
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