Choose the best answer A, B, C or D for each sentence
Do you think food, air, and clothes ______ necessary for life?
A. were
B. are
C. have been
D. will be
Đáp án: B
Gói VIP thi online tại VietJack (chỉ 400k/1 năm học), luyện tập gần 1 triệu câu hỏi có đáp án chi tiết
I leave the house at a quarter past five and arrive in the field at exactly 5.30.
During my break I often drink tea with my fellow peasants and smoke local tobacco.
Select the synonym of the following bold and underlined word in each sentence in the unit
Ask and answer questions about your daily routine, using the cues below.
I drink some cups of tea, have a quick breakfast and then lead the buffalo to the field.
Yesterday morning my mother _____ me a new bicycle as my old one ______ stolen.
“Did anyone see the thief?”-“No, he already ______ away by the time we _____ in.”
Two months ago my brother _______ elected headmaster of his school and he _______ a vacation since then.
Yesterday afternoon while my mother _______ for the taxi, the shower _______.
Choose the word whose underlined part has a different pronunciation from the others in each group
People reported that before help ____ them, a small child ______ of infantile paralysis.
“I _______ you at 9 tomorrow morning. Will that be OK?”
-“At 9? No, I _______ shopping with my mother.”
Read the passage below carefully, and then choose the best answer
MANY KINDS OF MICROBES
There are thousands of different kinds of microbes. Microbes called (1) _______ are the smallest living things. Bacteria live almost everywhere: on land, in water, and even (2) _______ you.
Some microscopic life forms are like plants. Tiny diatoms are microbes that live in lakes and the ocean. Diatoms soak up (3) _______ and use its energy to make food, just like plants.
Some microscopic life forms are more (4) _______ animals. Protozoa such as the amoeba and paramecium are animal-like microorganisms. An amoeba can move (5) _______ changing the shape of its body. It sticks out a pseudo pod, or false foot. A paramecium is (6) _______ with tiny hairs. It waves its hairs rapidly to swim.
Viruses are (7) _______ kind of microbe. Viruses sometimes act like living things and other times act like nonliving things. Viruses sometimes live in the cells of plants and animals. (8) _______ a cell, a virus reproduces like a living thing. The virus uses the cell to make many copies of itself. Viruses are (9) _______ small to see with an ordinary microscope. You need a powerful electron microscope to see a virus. Outside of a plant or animal cell, a (10) _______ is like a nonliving thing.
Question 28: