题目

Welcome to Center Street. Center Street is a great place to enjoy__________. There are__________stores and shops on it. It is a very__________street. If you want to __________you can go to the video arcade. It is__________from the big supermarket. There is also a new park ___________the supermarket. It is__________and quiet. You can__________your picnic(野餐) in it. If you want to see__________,you can go to the movie house. It is ___________the supermarket and the park.【1】A.yourself B.you C.your D.yours【2】A.lot of B.a lots C.a lot of D.a lot【3】A.quiet B.dirty C.busy D.big【4】能正确表示下列化学反应的离子方程式的是（    ） A．氢氧化钡溶液与硫酸的反应     OH-＋H+ ＝ H2O B．澄清的石灰水与稀盐酸反应    Ca(OH)2 + 2H+ = Ca2+ + 2H2O C．铜片插入硝酸银溶液中        Cu + Ag+ = Cu2+ + Ag D．碳酸钙溶于稀盐酸中          CaCO3＋2H+＝Ca2+＋H2O＋CO2­