SAT二道语法题,1.After [many years] of training,some artists are so skilled [in reacting at] any stimulus that they [can quickly] retaliate if attacked.[in reacting at] 错,求这个词组的正确用法/固定搭配,2.A a person [need not] purch

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SAT二道语法题,1.After [many years] of training,some artists are so skilled [in reacting at] any stimulus that they [can quickly] retaliate if attacked.[in reacting at] 错,求这个词组的正确用法/固定搭配,2.A a person [need not] purch

SAT二道语法题,1.After [many years] of training,some artists are so skilled [in reacting at] any stimulus that they [can quickly] retaliate if attacked.[in reacting at] 错,求这个词组的正确用法/固定搭配,2.A a person [need not] purch
SAT二道语法题,
1.After [many years] of training,some artists are so skilled [in reacting at] any stimulus that they [can quickly] retaliate if attacked.
[in reacting at] 错,求这个词组的正确用法/固定搭配,
2.A a person [need not] purchase tools.(我简化成了题干)
这里[need not]没错,请问为什么不是"needs"

SAT二道语法题,1.After [many years] of training,some artists are so skilled [in reacting at] any stimulus that they [can quickly] retaliate if attacked.[in reacting at] 错,求这个词组的正确用法/固定搭配,2.A a person [need not] purch
第一题 in reacting at 并不是一个固定搭配,前面的词组是 be skilled in sth or doing sth,而react在此是不及物动词,其用法如下：不及物动词 vi.
1.作出反应,反应[(+to)]
How did she react to the news?
她对这个消息反应如何?
2.影响,起作用[(+on/upon)]
The two react upon each other.
这两者互相影响.
3.抗拒,反抗[(+against)]
Children tend to react against their parents by going against their wishes.
孩子们通常以违背父母的意愿来反抗他们.
4.起反作用,回过来起作用[(+on/upon)]
Unkindness often reacts on the unkind person.
恶人往往有恶报.
5.【化】起化学作用;【物】反应[(+with/on)]
How do acids react on metals?
酸对金属会起怎样的化学反应?
An acid can react with a base to form a salt.
酸和碱反应会产生盐.
此句是第一种用法,所以应用reacting to
第二题涉及到need的用法,它既可用做实义动词,也可用做情态动词,在此句中,因为其后加了not,故是情态动词,没有第三人称单数,也就不可加“s”.

1 应该是：in reacting to
2 need not purchase tools== doesn't need to purchase tools.

1.react to
2. need 在这里是情态动词，应为后面跟动词原形，所以是need not ；如果后面跟to do 结构，则need就是实义动词了，可以用doesn't need

SAT语法几道语法题 问2道SAT语法题! sat语法题ip SAT二道语法题,1.After [many years] of training,some artists are so skilled [in reacting at] any stimulus that they [can quickly] retaliate if attacked.[in reacting at] 错,求这个词组的正确用法/固定搭配,2.A a person [need not] purch SAT语法句子改善题 一道SAT OC 语法题> sat语法, SAT语法. 急求牛人解决几道sat语法题!1.Nursing and physical therapy （B are examples of health-care fields that) have shortages in staffing.E exemplify health-care fields where they但E为何不对?2．male spiders live not in weds〔of their own ma SAT几道语法题目几道语法题,旁边的选项是我选的.不知道为什么错,还有,SAT 巴郎与真题像吗?We had ought to finish our trip before dark because it gets very cold after the sun goes down.By the time the bank guard closed th 一道sat的语法题,解释 一道sat上的语法题 第19题（sat语法） sat语法题 为什么选D啊 sat语法题 正解b 怎么解 sat语法题,C为什么错了 sat语法题c不好吗? 求SAT历年真题语法解析.