【正文】
keep up one?s courage 保持勇氣 , 鼓起勇氣 。 句意:獨(dú)自一人在黑暗中走 , 那個(gè)男孩吹口哨給自己打氣 。湖北高考 )Walking alone in the dark, the boy whistled to ______ his courage. A. hold up B. keep up C. set up D. take up 【 解析 】 選 B。 ④ I advise all of you to keep out of the matter. 我勸你們大家都不要介入此事 。 ② keep the baby out of the sun . 別讓孩子曬著 。 ④ Fireworks added to the attraction of the festival night. 煙花使節(jié)日之夜更具有吸引力 。 【 句型仿寫 】 ② Add these figures up and see what the total is. 把這些數(shù)字加起來 , 看看總數(shù)是多少 。 ② Add some salt to the soup please. 請(qǐng)往湯里加些鹽 。 F. Apparatus。 D. Result。 B. Iron in airfree water。 oil。 test tube holder。 (b) in water that has no air in it (airfree water)。reit?s] a lab apparatus (儀器 ) a scientific experiment The correct order of carrying out (操作) an experiment successfully balance test tube holder 試管夾 test tube試管 crucible坩堝 glass rod [r?d]玻璃棒 beaker[?bi:k?] 燒杯 Bunsen burner 本生燈 /煤氣加熱燈 tongs[t??z]鉗子 [tju:b] [39。Reading Reading [,230。p?39。kru:s?bl] alcohol burner Carry out an experiment successfully. It’s interesting to do an experiment. But we’ve got a lot of things to do before an experiment. First, we should be clear the aim of the experiment, the apparatus we need and how we can carry it out ( we call it “method”). We watch what’s happening and get the result. Lastly it is important to have a discussion on the result of the experiment. Don’t fet to write down the conclusion. What is the c