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yi268th
2 năm trước
Cho tam giác ABC cân tại A(góc A bằng 90 độ) . Trên cạnh AB và cạnh AC lần lượt lấy điểm D và điểm E sao cho AD bằng AE. a) Chứng minh tam giác ADC bằng tam giác AEB b) Gọi F là giao điểm của BE và CD . Chứng minh tam giác FBC là tam giác cân. c) Chứng minh AF là tia phân giác của góc BAC. d) Gọi M là trung điểm của BC . Qua C vẽ đường thẳng song song với AB . Đường thẳng này cắt tia DM tại K . CHứng minh CK bằng CE
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Exercise : Chia động từ trong ngoặc ở đúng thời 1/ When I (arrive) ....................at his house, he still (sleep)................. . 2/ The light (go) ........................out while we (have)................................ dinner. 3/ The last time I (see).................... him, he (wear)................... a grey suit. 4/ Just as I (leave)........................ , a student (stop).....................me in the hall 5/ Nam (play) ................football when he (break)................. his leg. 6/ We (drink) ....................a lot of beer at the party the day before yesterday. 7/ They (build) ................a new bridge when I was there 2 months ago. 8/ He (sit).......................... in a cafe when I saw him. 9/ My company (make).................... a lot of profits 5 years ago. 10/ What you (do) ........................when I phoned you on Monday ? 11/ While the two thieves (argue).............., someone (steal)........................ their car. 12/ When he was a boy at school, Edison (ask) .......................a lot of questions. The teacher (think) ....................he was stupid and she (send) .................him home. Edison's mother (teach) ..............her son at home and he (begin) to carry out a lot of experiments. 13/ - You (visit).................. the zoo yesterday ? - Yes, I did. When I (go)........................ there, I (see)........................ our teacher. 14/ Who (invent).............................. the radio ? Giúp mik với mn

*Use the words given and other words, complete the second sentence so that it has a similar meaning to the first sentence. Do not change the word given. (Use 2 - 5 words in total). Example: 0. My house has a small garden. is |=> There (is a small garden) in the house. 1. I like pop music but my brother likes rock music. diffrent |=> Mt taste in music __________ my brother's. 2. Neither Mary nor her sister studied arts at school. either |=> Mary never studied arts at school and _________. 3. I think Vinh acted better than Quang in that play. as |=> I think Quang didn't __________ Vinh in that play. 4. Bith Anna and her brother are fond of watching water puppet. too |=> Anna is fond of watching water puppet and __________. 5. My hobby is drawing and John's hobby is also drawing. same |=> My hobby __________ John's hobby

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