1.The worst.............areas are the Mild-lands and North-West

A.affected B.affecting C.effected D.effecting

2.Tom likes climbing mountains.He has just joined a.............club

A.climb-mountain B.climbing-mountain C.mountain-climbing D.mountain-climb

3.I have put.........a sign to stop people from trespassing my property

A.on B.off C.up D.in

4.People in this country...........such heavy weather of learning languages

A.make B.take C.do D.keep

5.With him,you should always expect.........unexpected

A.a B.an C.the D.one

6.I'm not going to.......up with their smoking any longer

A.put B.shut C.take D.keep

7.She returned to bed and went out......a light

A.as B.with C.in D.like

8.The awards go to people who have truly.........the bar

A.put B.left C.raised D.made

9.I must go now.I've kept you.........your dinner too long

A.in B.out C.with D.from

10.She.......when she heard the news

A.can't help crying

B.couldn't help cry

C.can't helped crying

D.couldn't help crying

11.All his children speak......Chinese

A.flowing B.fluent C.easy D.well

II.Tìm từ gần nghĩa hoặc trái nghĩa vs từ in đậm

1.He was asked to ACCOUNT FOR his presence at the scene of the crime (gần nghĩa)

A.complain B.exchange C.explain D.arrange

2.He mentioned IN PARTICULAR electronics,his major at university(trái nghĩa)

A.on whole B.as all C.in all D.in general

ptpư: 4H+O₂=>2H₂O(đừng quên nhiệt độ)

TBRTC: +/ n_H=\(\frac{28}{22.4}\)=1.25(mol)

+/n_O2~0.9(mol)

ta có: \(\frac{n_H}{4}\)>\(\frac{n_{O2}}{1}\)

=>O₂ dư , H₂ hết

Theo ptpư: +/ n_H2O=\(\frac{1}{2}\)nH=0.625(mol)

=>m_H2O=11.25(g)

b)V_H2O=0.625.22.4=14(ml)

Mình có đóng góp ý kiến sau:

1.Câu 2 phải là joyful nhé (không có tính từ joyable)

2.Câu 3 là activist: nhà hoạt động chính trị/xã hội chứ không phải là actor: diễn viên nhé

3.Câu 6 là considerate:chu đáo nhé

C. khối lượng

B đó

Mọi người có thể giải thích cho em câu này được không ạ?

She mistakenly thought the tall man was Tim's brother.

=>She mistook the tall man for Tim's brother.(chắc cấu trúc nó thế nhỉ^^)