Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
By the time Brown's daughter graduates,_______retired.

A. he'll have

B. he

C. he'll being

D. he has

\(\frac{-2009}{2010}và\frac{2010}{-2009}=>\frac{-2009}{2010}và\frac{-2009}{2010}=>\frac{-2009}{2010}=\frac{-2009}{2010}\)

Vậy \(\frac{-2009}{2010}=\frac{2010}{-2009}\)

Read the following passage, and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase for each of the blanks. Fill in the appropriate word in question 50

In Korea, in former days the marriage between a man and woman represented the joining of two families, rather (50) ______ the joining of two individuals. The event (51) ______ Taerye (Great Ritual), and people from all over the village or neighborhood participated. The ceremonies and events surrounding the actual marriage were long and (52) ______. Professional matchmakers paired up likely candidates for marriage, with the new couple often meeting for the first time at their wedding! The families considered many factors in the decision, consulting with fortune tellers for (53) ______ about the couple's future life together. During the Chosun period, people married (54) ______ their early teens, with the girl often being several years older than the boy.

The groom usually traveled to the house of the bride for the ceremony, then stayed there for three days (55) ______ taking his new bride to his family's home. The actual ceremony involved many small rituals, with many bows and symbolic gestures. The (56) ______ were expected to control their emotions and remain somber.

(57) ______ Koreans have kept several aspects of the traditional ceremony, most modern ceremonies resemble Western marriage ceremonies more than (58) ______ Korean ones. However, many folk villages and museums across the country regularly perform ceremonies to (59) ______ the traditions alive.

A. as

B. more

C. than

D. more than

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.

In the 1960s, The Beatles were probably the most famous pop group in the whole world. Since then, there have been a great many groups that have achieved enormous fame, so it is perhaps difficult now to imagine how sensational The Beatles were at that time. They were four boys from the north of England and none of them had any training in music. They started by performing and recording songs by black Americans and they had some success with these songs. Then they started writing their own songs and that was when they became really popular. The Beatles changed pop music. They were the first pop group to achieve great success from songs they had written themselves. After that it became common for groups and singers to write their own songs. The Beatles did not have a long career. Their first hit record was in 1963 and they split up in 1970. They stopped doing live performances in 1966 because it had become too dangerous for them – their fans were so excited that they surrounded them and tried to take their clothes as souvenirs! However, today some of their songs remain as famous as they were when they first came out. Throughout the world many people can sing part of a Beatles song if you ask them

The tone of the passage is that of________

A. neutral   

B. criticism   

C. admiration   

D. sarcasm

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.

In the 1960s, The Beatles were probably the most famous pop group in the whole world. Since then, there have been a great many groups that have achieved enormous fame, so it is perhaps difficult now to imagine how sensational The Beatles were at that time. They were four boys from the north of England and none of them had any training in music. They started by performing and recording songs by black Americans and they had some success with these songs. Then they started writing their own songs and that was when they became really popular. The Beatles changed pop music. They were the first pop group to achieve great success from songs they had written themselves. After that it became common for groups and singers to write their own songs. The Beatles did not have a long career. Their first hit record was in 1963 and they split up in 1970. They stopped doing live performances in 1966 because it had become too dangerous for them – their fans were so excited that they surrounded them and tried to take their clothes as souvenirs! However, today some of their songs remain as famous as they were when they first came out. Throughout the world many people can sing part of a Beatles song if you ask them

The Beatles stopped their live performances because

A. They spent more time writing their own songs

B. They did not want to work with each other

C. They had earned enough money

D. They were afraid of being hurt by fans

Trong các thí nghiệm sau, thí nghiệm nào không xảy ra phản ứng hóa học?

A. Cho khí H₂S sục vào dd FeCl₂

B. Nhúng 1 sợi dây đồng vào dd FeCl₃

C. Cho khí H₂S sục vào dd Pb(NO₃)₂

D. Thêm dd HNO₃ loãng vào dd Fe(NO₃)₂

Hòa tan hết m gam hỗn hợp gồm Al, Mg, MgO trong dung dịch hỗn hợp chứa 0,34 mol HNO₃ và KHSO₄. Sau phản ứng thu được 8,064 lít hỗn hợp khí X  ở đktc gồm NO, H₂ và NO₂ với tỷ lệ mol tương ứng là 10 : 5 : 3 và dung dịch Y chỉ chứa muối. Cho NaOH dư vào Y thì thấy có 2,28 mol NaOH tham gia phản ứng, đồng thời có 17,4 gam kết tủa xuất hiện. Phần trăm khối lượng của MgO trong hỗn hợp ban đầu là:

A. 29,41%

B. 26,28%

C. 32,14%

D. 28,36%