Cho hỗn hợp FeS và FeS₂ tác dụng với dung dịch HNO₃ loãng dư thu được A chứa ion nào sau đây?

A. Fe²⁺, SO₄²⁻, NO₃^-, H⁺.

B. Fe²⁺, Fe³⁺, SO₄²⁻, NO₃^-, H⁺.

C. Fe³⁺, SO₄²⁻, NO₃^-, H⁺.

D. Fe²⁺, SO₃²⁻, NO₃^-, H⁺.

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word(s) for each of the following blanks.

VINCENT VAN GOGH

Vincent Van Gogh is a famous painter from the 19th century. Van Gogh’s paintings are sold at very

high prices (30)_________ many collectors want his paintings. But unfortunately, when he was (31)_________, he did not have a happy life.

Van Gogh was from a poor family in Holland and lived (32)_________his life at home. He lived a rather sad and (33)_________life. He drew things that he could see either around the quiet town of his parents’ home or (34)_________his window. This is why he painted things (35)_________the sky, his room and even himself.

Van Gogh once cut off his own ear after drawing a picture of himself. He cut it off to (36)    _________the person that said the ear in Van Gogh’s painting was not correct. It was very (37)_________him to do such a thing.

Van Gogh was also (38)_________a crazy man. He really (39)_________become crazy, and was sent to a mental hospital. Sadly, he killed himself when he was just 37.Question 33

A. lone

B. alone

C. loneliness

D. lonely

Cho các phát biểu sau:

(1) Frutozơ và glucozơ đều có khả năng tham gia phản ứng hóa học

(2) Saccarozơ không có cấu tạo dạng mạch hở

(3) Tinh bột và xenlulozơ đều thuộc loại polisaccarit

(4) Xenlulozơ và amilozơ ddeuf có mạch không phân nhánh

(5) Este isoamyl axetat có mùi chuối chín

(6) Phản ứng xà phòng hóa chất béo là phản ứng thuận nghịch

(8) Poli(metyl metacrylat) được dùng để chế tọa thủy tinh hữu cơ

Số phát biểu đúng là

A. 5                             

B. 6                             

C. 8 

D. 7

Cho dãy các chất: NaHCO₃, FeCl₃, CO₂, Fe, Al và BaCl₂. Số chất tác dụng với dung dịch NaOH là

A. 5

B. 3

C. 4

D. 2

a) Trình bày những hiểu biết về:

- Văn bản nghị luận

+Thế nào là văn bản nghị luận ? Mục đích, tác dụngcủa văn nghị luận là gì? Bài văn nghị luận thường có bố cục như thế nào?

+ So sánh các thao tác lập luận chứng minh, giải thích trong văn bản nghị luận

+ Nêu cách làm bài văn nghị luận giải thích, chứng minh (kiểu bài giải thích chứng minh về một vấn đề chính trị - xã hội ; kiểu bài giải thích, chứng minh về một vấn đề văn học)

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

Can you imagine what life would be like if there were no telephone? You could not call (51)________your friends on the phone and talk to them. If fire (52)________out in your house you could not call the fire department. If somebody was sick, you could not call a doctor.

In our daily life we need to (53)________with one another. We need do this mostly by speaking to other people and listening to (54)________they have to say to us, and when you are close (55)________them you can do this very easily. However, our voices will not travel very far even when we shout.

The man who (56)________this possible was Alexander Graham Bell, a Scotsman, born in Edinburgh in 1847. Bell, a teacher of visible speech who later moved to Canada, (57)________all his spare time experimenting. (58)________enthusiastic was he in his research for a means of sending speech (59)________electricity that he left much time for his day-to-day work and at one time was (60)________ penniless.

Question 54

A.that

B.this

C.what

D.which