is used
单词拼写
1. That’s the most __u_s_ef_u_l___ (有用的) book. 2. It is said that Thomas Edison had
1,093__in_v_e_n_t_io_n_s__ (发明) during his lifetime. 3. --- What is this kind of machine used for?
A. Although B. But C. Because D. And
Unit 6 When was it invented?
Section A GF-4c
When was the computer invented ? It was invented in . What is it used for ? It is used for surfing the internet.
The book was translated into different languages by different writers.
4b eat, lock, like, ring, invite, break, tell, bring
1.You __w_e_r__e_i_n_v_iteodthe party last night, weren’t you? Why didn’t you go?
t1h8e75in,vMenr.tiBoenllo_f__t_h_ew__to(elelreakprehndo) nheowwittoh
Thomas Watson. In send musical notes
ttehllreeopauhrgonhneaedn__in_s_t_r_u_m__e_(nint vseimntil)airnt1o8a76te. lTehpehofinrset.