C9K50

Jet lag causes problems with our ________ clock.

• biological

• botanical

• natural

• rhythmical

Answer explanation

- biological (a): thuộc về sinh học

- botanical (a): thuộc về thực vật

- natural (a): tự nhiên

- rhythmical (a): nhịp nhàng

Dịch: Jet lag gây ra những vấn đề về đồng hồ sinh học của chúng ta

nên đáp án là biological.

In any transport system, the _______ (safe) of passengers should be paramount.

Answer explanation

The ... of sth cần một danh từ

=> safety.

This species of seagull is not a ________ of the island, but will sometimes rest here a while.

• neighbour

• national

• citizen

• resident

Answer explanation

- neighbour: hàng xóm

- national: công dân (được cấp phép sử dụng hộ chiếu)

- citizen: người dân

- resident: người/vật sống ở một nơi nào đó.

=> resident

I didn't stay behind because I wanted to, I did so because it was my ________.

• work

• duty

• shift

• chore

Answer explanation

- work: công việc (nghề nghiệp)

- duty: trách nhiệm

- shift: ca làm thêm

- chore: nhiệm vụ thường xuyên thực hiện

=> duty

Recent defeats have undermined his ______ (confident) in himself as a player.

Answer explanation

sau 'his' cần một danh từ

=> confidence

The student was ________ of understanding the theory even after the professor’s profound explanation.

• incompetent

• incapable

• helpless

• unsuccessful

Answer explanation

be incapable of doing sth: không có khả năng làm gì...

_______ it or not, I’ve just been given a totally unexpected pay rise!

• Believe

• Accept

• Presume

• Allow

Answer explanation

Thành ngữ Believe it or not: tin hay không thì tùy bạn

- Accept: chấp nhận

- Presume: đoán chừng

- Allow: cho phép

Indicate the word(s) CLOSEST in meaning to the underlined word(s):

The nominating committee always meet behind closed doors, lest its deliberations become known prematurely.

• privately

• safely

• publicly

• dangerously

Answer explanation

behind closed doors: kín, không công khai

= privately

The doctor told him to​​ (a)   ​ (b)   quickly or ​ (c)   the​ (d)   later in life.

• lose
• weight
• pay
• price

Answer explanation

lose weight: giảm cân

pay the price: trả giá

Indicate the word(s) OPPOSITE in meaning to the underlined word(s):

Sorry, I can't come to your party. I am snowed under with work at the moment

• busy with

• free from

• relaxed about

• interested in

Answer explanation

be snowed under with = busy with: bận bịu

>< free from: rảnh

=> cần OPPOSITE nên đáp án là free from.