Thục Đoan's Profile

1. I used to get up late last year.

2. Your homework has been finished on time

3.Was the test did perfectly?

1. So many people were attracted by the visit of President that all traffic came to a standstill

2. She can't have stolen the necklace

3.It's not the job which i am most interested in

4.The excuse for the declaration of the war is the defence of their territorial rights.

5.The police prevented me from escaping

6.She is having her dressmaker make a new outfit. 

7.Is this the best hotel you could find?

8.It will be unable for them to come on Sunday

9.The car cost only a few hundred pounds

10.We didn't arrive early enough to see the first film

When Derek was seventeen, he failed most of his school general examinations. His father and mother went to the school to seek the (1)…advice. Mr Baxter said, “I am very sorry your son’s examination (2)…have been so poor. Derek is a very pleasant young man, we’ve much (3)…his company here for the past five years. But I think it would be unwise to expect him to succeed in formal examinations. He hasn’t got the kind of (4)…that can apply itself to hard study. He will get (5)…well at anything that needs fast talking! He’s a most persuasive talker even now; one (6)…he may be a great one. I think he would (7)…become an excellent salesman, just what the country needs perhaps”

A salesman! Derek’s father turned away (8)… some disgust. Had he sent the boy to the most expensive private school in the south-west just to make him a (9)…He certainly had not. He (10)….certainly had not

r=3cm=0,03m

F=(k* trị tuyệt đối(q₁*q₂))/(E*r²) với k=9*10⁹ nên F=4,5*10¹³ 

ÁP dụng định lý động năng:

A=W2-W1

E.q_e.d=\frac{1}{2}mv_2²-\frac{1}{2}mv_1²

mà m=9,1.10^-31, q_e=-1,6.10^-19,v₂=0,v₁=300000m/s

nên d=-\frac{1}{2}mv12/(E*q_e)=2,58.10^-3m

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When Derek was seventeen, he failed most of his school general examinations. His father and mother went to the school to seek the (1)…advice. Mr Baxter said, “I am very sorry your son’s examination (2)…have been so poor. Derek is a very pleasant young man, we’ve much (3)…his company here for the past five years. But I think it would be unwise to expect him to succeed in formal examinations. He hasn’t got the kind of (4)…that can apply itself to hard study. He will get (5)…well at anything that needs fast talking! He’s a most persuasive talker even now; one (6)…he may be a great one. I think he would (7)…become an excellent salesman, just what the country needs perhaps”

A salesman! Derek’s father turned away (8)… some disgust. Had he sent the boy to the most expensive private school in the south-west just to make him a (9)…He certainly had not. He (10)….certainly had not

When Derek was seventeen, he failed most of his school general examinations. His father and mother went to the school to seek the (1)…advice. Mr Baxter said, “I am very sorry your son’s examination (2)…have been so poor. Derek is a very pleasant young man, we’ve much (3)…his company here for the past five years. But I think it would be unwise to expect him to succeed in formal examinations. He hasn’t got the kind of (4)…that can apply itself to hard study. He will get (5)…well at anything that needs fast talking! He’s a most persuasive talker even now; one (6)…he may be a great one. I think he would (7)…become an excellent salesman, just what the country needs perhaps”

A salesman! Derek’s father turned away (8)… some disgust. Had he sent the boy to the most expensive private school in the south-west just to make him a (9)…He certainly had not. He (10)….certainly had not