Chủ đề:
Văn bản ngữ văn 9Câu hỏi:
xác định lỗi:
Tôi bước vào trường có cơn gió nhẹ lướt qua, thoáng thoáng một vài phòng học đã rêu phong cổ kính
1. A. noon B. tool C. blood D. spoon
2. A. chemist B. chicken C. church D. century
3. We have some.......students for the program
A. exchange B. exchanged C. to exchange D. exchanging
4. I wish you.....camping with us tomorrow
A. go B. could go C. went D. are going
5. My interview starts.........2 o'clock.......Monday
A. at/at B. on/at C. on/on D. at/on
6. Everyone felt tired and hungry........they sat down and took a rest
A. because B. althought C. so D. but
7. I wish you.......(can/ride) a motorbike in the future
8. She.......(drink) so much when she was a young girl
9. It's so hot. He turns on th air-conditioner (so)
--->
10. I can not fly
---> I wish..........
11. My brother can not drive his car carefully
---> I wish.............
12. John said to his son, ''You studied very hard last year''
--->
13. My mother said ''What did you do yesterday?''
--->
14. ''Do you buy this bike?'' she said to her elder brother
--->
1. The weather was bad,..........we didn't go on a picnic
A. but B. because C. so D. however
2. Nam's birthday is..........the twentieth of November
A. on B. for C. in D. at
3. They returned to the hotel .........10.30pm
A. after B. at C. until D. between
4. the capital/ 40 kilometers/ home village/ about/ the north-east/ is/of/ to/ my
---->
5. watch/ loves/ stars/ the/ night/ she/ at/ to
----->
6. last weekend/ Nam/ a day trip/ Ba's home village. He/ go/there/ train. He/ have the chance/ travel/ between/ green paddy fields/ cross a bamboo forest. He/ wish/ visit Ba's home village again some day
1.
a. Ba and his friends were tired, so they rested.......5pm
A. at B. in C. until D. for
b. I kew him..... I was a child
A. until B. when C. as D. during
c. We .....the nearest village before sunset
A. came B. arrived C. went D. reached
d. This isn't my first visit to QUY NHON, .......here before
A. I'm B. I was C. I've been D. I'm going to
e. We walked..... half an hour to reach the waterfall
A. for B. on C. at D. in
f. ''Nam, Do you like Hip Hop music?''. She asked Nam......hip hop music
A. if he like B. he likes C. does he like D. if he liked
2. sắp xếp lại câu
a. big old banyan tree/ the/ reach/ to/hour/ an/ half/ for/ walked/ we
b. stay/ until/ September/ uncle/ with/ the end/ my/ will/ of/ us
c. Teacher's Day/ to/ they/ the trip/ have/ on/ planned
Cho đoạn mạch gồm hai điện trở R1=9Ω, R2=18Ω mắc song song với nhau vào đoạn mạch có hiệu điện thế U=3,6V. Tinh
â) Điện trở tương đương của đoạn mạch trên
b) Cường độ dòng điện qua mạch và các điện trở
c) Khi mắc thêm điện trở R3=6Ω vào song song với hai điện trở trên thì điện trở tương đương và cường độ dòng điện của mạch lúc này là bao nhiêu?