Task 1 Individual Work Before Class (30 minutes)
Activity (1) Read the passage and finish Ex 2 on page 49 of the textbook.
Activity(2) Read your reference book and finish the following exercises.
① We must correct our mistakes in study in time. Otherwise, they will ____ _______(堆积) and make it difficult to correct.
② This is the only road that ______ _______(通向)the outside world.
③ I _________ a small notebook of Halley by chance. After surfing the internet, I ________ _______ that Halley was a scientist and he ________ the orbit of a comet with other scientists’ help. But I don’t know whether he ________ anything just as Edison did.(discover/find/find out/invent)
④ He _________________________________(全神贯注于) his experiment.
⑤ Wise farmers will do all they can to ______ their food _______ _____(使…不含)harmful chemicals.
⑥ The old man hopes that his son will come to visit him _______ _____ _______.(每隔一个月).
⑦ They reduced the number of deaths _____ 100 a month _____ 79 a month. It has been reduced _____ 21.(填介词)
Task 2 Individual Work In Class (10 minutes)
Activity (1) Choose the right answer
① The damage that long-term use of fertilizers _____ ____ people’s health is catching our eye.
A. caused; by B. done; by C. causes; to D. does; to
② Making a speech in class every morning helps students _____ confidence.
A. get up B.build up C. set up D. bring up
③ The bridge ____ the city center was washed away.
A. lead to B. leads to C. leading to D. led to
