题目

小恒同学不慎被圆规扎到手指，引起肱二头肌收缩产生缩手反射。在此过程中，肱二头肌相当于图中的 A．①       B．②           C．③      D．④ 答案：B【1】She ____________(滑倒）over on the ice and broke her leg.【2】At 60, he was now approaching _____________(退休).【3】He ____________ （遗弃；抛弃）his wife and his child and went away with all their money.【4】We didn’t know you were in trouble at that time，__________ （否则）we would have given you a hand.【5】Teachers and students make regular ___________ (捐赠) to the students in need.【6】Our country has a large population, vast land and _____________（丰富的）natural resources.【7】It’s a great comfort to have a ____________（代替）family to be with when you miss your home.【8】The president of our school wrote a letter ________（祝贺）on the opening of the annual sports meeting.【9】Research ______________(表明；指出）that eating habits are changing fast.【10】She was shocked by the violent scene she _____________（目击）.