Có 2 dung dịchHCl nồng độ 0,5M và 3M. Tính thể tích dung dịch cần phải lấy để pha được 100ml dung dịch HCl nồng độ 2,5M.

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II. Complete each second sentence so that it has a similar meaning to the first sentence. 1. Lan is the tallest girl in my class. => No one__________________________________________________________________. 2. Why don’t we study in the library? Giáo Viên Chuyên Anh - Thầ y Bùi Văn Vinh - 0988.333.599 15 => Let’s____________________________________________________________________. 3. There will be a large swimming pool in my future house. => My future house__________________________________________________________. 4. I like romantic comedies best. => My______________________________________________________________________. 5. Remember to turn off the lights before you leave the room. => Don’t____________________________________________________________________. III. Reorder the words/ phrases to make complete sentences. 1. any / a / for / Sydney / Australia. / must-see / is / house / visitors / to / Opera ___________________________________________________________________________ ___________________________________________________________________________ 2. on / outskirts. / to / down / He / decided / the / settle ___________________________________________________________________________ ___________________________________________________________________________ 3. cartoon / in / My / a / little / room. / the / daughter / TV / living / is / watching / on ___________________________________________________________________________ ___________________________________________________________________________ 4. Long / Bay / thousands / has / islands. / and / Ha / of / big / small ___________________________________________________________________________ ___________________________________________________________________________ 5. My / attractions / your / country / more / country. / than / has / tourist ___________________________________________________________________________ ___________________________________________________________________________ giúp mik với nó hơi dài

Fill in each blank with ONE suitable word to complete the following sentence A.Composer-dancing-paintings-folk-portrait-act-films-compulsory-excitedly-play I have never tried to draw a____________ since I learned painting. Peter dislikes____________, but he is going to the prom tomorrow night. Sue cannot ____________ the main character because her leg is injured. Tom’s teacher says it is____________ to learn by heart the national anthem. Arirang is a Korean____________ song, which is often sung in festivals. They sang Tom’s new song ____________ without any hesitancy. Do you know the____________ of the song Happy New Year? ____________ today are absolutely not the same as those in the past. B. Boring-clothes-enjoy-never-hair-parties-late-think-unusual-at the moment Is this Robbie Williams? No, it isn't. This man looks like Robbie Williams but his name is Kevin Black. Kevin has an (1) ____________ job. He goes to the party every weekend. That's because he's a "celebrity lookalike". Our reporter, June Richardson, interviewed Kevin. June: What do you do in your job, Kevin? Kevin: I go to (2) ____________ and I dance and sing Robbie Williams songs. June: Do people (3) ____________ you are really Robbie Williams? Kevin: No, not very often. I try to look like Robbie. I wear the same (4) ____________ and my (5) ____________ is the same, but people don't often think I'm really Robbie Williams. June: What are you doing (6) ____________? Kevin: This evening, I'm going to a party in London. It's a 21st birthday party and I'm singing five Robbie Williams songs. June: Do you (7) ____________ your job? Kevin: Yes, I love it. It's never (8) ____________ and I get up (9) ____________ every morning. June: Do you like Robbie Williams's music? Kevin: Yes, I do. But I always listen to it when I'm working so I (10) ____________ listen to it at home.