HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
1.Since I will be busy …… my work and prepare …….. the final examination, I can’t spend time with you tonight at Phuc Long. A.with/ to B. of / with C. with / for D. with / of
=>C là câu trả lời đúng
7.Jane told me she was frustrated that Jim had forgot their date the day before.
8.Peter said this was the first time he had been to NYC.
9.Mr Brown told his wife their children had grown up, so she didn't have to care...
10.Peter asked me what I would do if I won a lottery.
Chúc học tốt nhé!
1. the easy test, I couldn't do it.
2. being an excellent doctor, he can't cure lung cancer.
3. not having enough money, my friend wants to buy that new car.
4. Mai didn't speak English well, she decided to live in London.
5. she is poor, everybody has a great regard for her.
1. his sickness, peter didn't go to school yesterday.
2. the bad condition of the house, the city council demolished it.
3. he studied well, he got scholarship.
4. he didn't try his best, he fail the exam.
5. by broken car on the high way, I was late for the work.
6. Because the prices are high, we decided to stay....
7. the rain was heavy, the students arrived late.
8. the stressful job, she decided to quit it.
9. I was late for the meeting, I missed the most important part.
10. the noisy party, I can't hear what you are saying.
Số con vịt là:
9+10=19 (con vịt)
Đáp số: 19 con vịt
nH2=4,4822,4=0,2(mol)nH2=4,4822,4=0,2(mol)
Pt : 2Na+2H2O→2NaOH+H2|2Na+2H2O→2NaOH+H2|
2 2 2 1
0,4 0,4 0,2
a) nNa=0,2.21=0,4(mol)nNa=0,2.21=0,4(mol)
⇒ mNa=0,4.23=9,2(g)mNa=0,4.23=9,2(g)
b) nNaOH=0,2.21=0,4(mol)nNaOH=0,2.21=0,4(mol)
⇒ mNaOH=0,4.40=16(g)mNaOH=0,4.40=16(g)
mddspu=9,2+191,2−(0,2.2)=200(g)mddspu=9,2+191,2−(0,2.2)=200(g)
CNaOH=16.100200=8CNaOH=16.100200=80/0
1.B
2.A
3.C
4.C
5.A
7.A
(2+4+6+.......+100) (36 x 333 -108 × 111 )=2×(1+2+3+......+50)[36×111(1×3-3×1)=2×(1+2+3+......+50)(36×111×0)=2×(1+2+3+......+50)×0=0
Chúc bạn học tốt nhé!!
1. They told me I didn't have to do that if I didn't really want to.
2. He told me he had seen Jom when he was walking home the day before.
3. Jane asked me if I would forgive Jim if he apoligized to me.
4. I told Jane Peter had been a friend of mine for 3 years.
5. Jim wondered if he would be capable of winning that contest.
6. Josh said there had been a serious car accident right there the week before.