训练(二十一)
Ⅰ.阅读理解(共两节)
第一节 阅读下列短文，从每题所给的四个选项(A、B、C、D)中，选出最佳选项。
An electric signal can trick a monkey’s brain into believing the animal’s finger has been touched.
Touch something，and your brain knows.The hand sends signals to the brain to announce contact was made.But that feeling of touch may not require making actual contact，tests on monkeys now show.Zapping brain cells can fool the animal into thinking its finger has touched something.
