sat grammar in OG

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.A.ignorance 是主语,主语一致.
2.C.因为their指代不明,可能指代设计师也可能指代operators.
3.C.as if 是表示“好像”的固定搭配,而不选第一个是因为这个句子要和主句结构一致.
4.A.前面的句子是修饰后句中的人的同位语.
5.还是they不对,指代不明.和第二个一样.同学,they,this等指代不明这个考点是你的易错点好的,谢谢,解释一下第五题 because they feed by filtering nutrients from water,除了指代不明的错误,为什么只用feed by 而不是 are fed by ?当Feed是不及物动词的时候,表示以。。。为食物。例句:the chicken feed on rice.而及物动词时为喂养当Feed是不及物动词的时候,表示以。。。为食物。例句:the chicken feed on rice.而及物动词时为喂养