Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
He is very ………. - he often buys things for other people.
A.passionate
B.friendly
C.fortunate
D.generous

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
It is more ………. to travel by plane than by train.
A.economical
B.independent
C.expensive
D.fortunate

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
I think syringe is the greatest ………. in medicine.
A.development
B.invention
C.discovery
D.creation

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
The boxes were ………. and difficult to move.
A.bulky
B.light
C.portable
D.small

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
There are thousands of free ………. on the Internet.
A.hardcovers
B.e-books
C.paperbacks
D.printed books

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
A motorbike is often more ………. than a car in towns.
A.versatile
B.convenient
C.technological
D.expensive

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
She’s very ……….. to the kids. She always buys gifts for them.
A.patient
B.strict
C.generous
D.critical

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Computers have ………. every aspect of our lives.
A.emphasized
B.affected
C.damaged
D.protected

Các câu sau đúng hay sai?
Có hai loại rễ chính: rễ cọc và rễ chùm
Đúng
Sai
Rễ cọc gồm rễ cái và các rễ con
Đúng
Sai
Rễ có 4 miền: miền trưởng thành, miền hút, miền sinh trưởng, miền chóp rễ
Đúng
Sai
A.đúng
B.đúng
C.đúng
D.

Nối các miền của rễ với chức năng chính của từng miền
Miền trưởng thành có các mạch dẫn.
Miền hút có các lông hút.
Miền sinh trưởng.
Miền chóp rễ.
Hấp thu nước và muối khoáng.
Che chở cho đầu rễ.
Dẫn truyền.
Làm cho rễ dài ra.
Làm lại
A.13
B.21
C.34
D.42