Trong nguyên phân ở kì nào các nhiễm sắc thể tập trung thành một hàng trên mặt phẳng xích đạo của thoi phân bào?
A.Kì giữa.
B.Kì sau.
C.Kì đầu.
D.Kì cuối.

Sự tự nhân đôi của nhiễm sắc thể diễn ra ở kì nào của chu kì tế bào?
A.Kì đầu.
B.Kì sau và kì cuối.
C.Kì giữa.
D.Kì trung gian.

Tính nhẩm:
2,34 × 10 =
2,34 × 100 =
2,34 × 1000 =
 
A.23,4
B.234
C.2340
D.

Tìm x
x
:  1,4
=
3,2
x
=
3,2
1,4
x
=
A.×
B.4,48
C.
D.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Doctors have to assume _______ for human life.
 
A.responsibles
B.responsible
C.responsibly
D.responsibility

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
You don't have to change all the information in your CV. You just have to ______ some of the information to make yourCV suitable for the job requirements.
A.specialise
B.prioritise
C.tailor
D.shortlist

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
A letter of _______ is sometimes really necessary for you in a job interview.
A.recommendation
B.recommend
C.recommender
D.recommended

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
You should ask the interviewer some questions about the job to show your _______ and keenness.
 
A.amazement
B.thrill
C.interest
D.anger

 
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
She likes meeting people and travelling so she wants to apply for a _______ of a receptionist or tourist guide.
 
A.position
B.word
C.site
D.location

Tính nhẩm:
207 × 0,1 =
207 × 0,01 =
207 × 0,001 =
 
A.20,7
B.2,07
C.0,207
D.