双基限时练(四) unit 4 lesson 2 ⅰ.单词拼写 1．much of the ________(科学的) research nowadays is done with the help of computers. 答案 scientific 2．the ________ (网络) doesn't work well in our school. 答案 network 3．the ________ (工程) hope has done a lot of work to help those poor students with their study. 答案 project
