Cho dãy các chất sau: fructozơ, vinyl fomat, metyl acrylat, glucozơ, saccarozơ, etylamin, glyxin và etanol. Phát biểu nào sau đây sai?

A. Có 3 chất làm mất màu nước brom

B. Có 3 chất bị thủy phân trong môi trường kiềm

C. Có 4 chất hữu cơ đơn chức, mạch hở.

D. Có 3 chất tham gia phản ứng tráng bạc

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27. Fill in the appropriate word in question 26

  One of the greatest concerns parents have when facing an international move is “What schooling will be available to my child? Will my child be disadvantaged academically as a result of this move?” (23) _____________ this fear is certainly strongest in families moving overseas for the first time, even those who may be more experienced often have concerns about their children’s education.

  Dr. Ernest Mannino, Director of the State Department’s Office of Overseas Schools, and Dr. Keith Miller, Deputy Director of the office, spoke candidly (24) _____________ some of the common concerns parents have regarding the education of their children. Dr. Mannino and Dr. Miller (25)____________ parents against making assumptions about their children’s education. To make an educated choice, parents need to (26)____________ through schooling issues and to research post schools as far in advance of a move as possible.

  Children (27) _____________ are internationally mobile have many choices of schools to attend. In most major cities, there are schools based on the U.S., French, German, and British systems. Some parents also choose to become their children’s teachers through home education. Which school is appropriate for your child is an individual decision based on many factors.

A. think

B. put

C. fall

D. take

Bài1 : Nước biển chứa 4,2% muối . Tính lượng nước biển nặng bao nhiêu kg , nếu trong đó chứa 630g muối

Bài2:Một hộp phấn làm bằng bìa có dạng hình lập phương , cạnh 1dm . Trong hộp người ta xếp đầy phấn được đúng 100 viên . Tính thể tích trung bình của mỗi viên phấn , biết rằng bề dày của vỏ hộp không đáng kể , khe hở chứa các viên phấn chiếm 10% thể tích hộp

Giải chit iết nha

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 59 to 68.

Easter

Easter is a holiday in late March or early April, the first Sunday after the first full moon after 21 March. Many people (33) __________ it with their family or have a short holiday/ vacation. It is also an important Christian festival. Easter Sunday, the day of the Resurrection, is the end of Lent and the most important date in the Christian year. Many people who do not go to church at other times go on Easter Sunday. It was once (34) ______________ for people to wear new clothes to church on this day. Women (35) ______________ new hats, called Easter bonnets. Today, people sometimes make elaborately decorated Easter bonnets for fun. A few people send Easter (36) ___________                               with religious symbols on them or pictures of small chickens, lambs, rabbits and spring flowers, all traditionally associated with Easter. The Friday before Easter Sunday is called Good Friday and is remembered as the day Christ was crucified (= hanged on a cross to die). On Good Friday many people eat hot cross buns (= fruit buns decorated with a simple cross). The Monday after Easter is called Easter Monday. In Britain, Good Friday

and Easter Monday are both bank holidays. In the US, each company decides for itself (37) _________ to close or remain open on those days.

Điền vào số 33

A. spend

B. use 

C. take

D. expend

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best completes each of the following exchanges.

- Nam: " _____________ " - Hoa: “Just pop in and have a look at your new car.”

A. Welcome home! You look quite so brown and healthy.

B. What a surprise to see you here on Sunday! 

C. Can I have a try at this dress, Madame? 

D. Please come in and talk.

Phát biểu nào sau đây không đúng?

A. Chất béo có nhiều ứng dụng trong đời sống

B. Phản ứng thủy phân este trong môi trường axit gọi là phản ứng xà phòng hóa

C. Chất béo là hợp chất thuộc loại trieste

D. Phản ứng thủy phân trong môi trường kiềm là phản ứng một chiều

Cho dãy các dung dịch sau: C₆H₅NH₂, NH₂CH₂COOH, HOOC[CH₂]₂CH(NH₂)COOH, C₂H₅NH₂, NH₂[CH₂]₂CH(NH₂)COOH. Số dung dịch trong dãy làm đổi màu quỳ tím?

A. 3

B. 2

C. 4

D. 5

Cho sơ đồ biến hóa (giả sử các phản ứng xảy ra hoàn toàn)

Triolein 

Tên của A₂ là

A. axit panmitic

B. axit oleic

C. axit stearic

D. axit linoleic