HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
Người ta sơn một cái thùng không có nắp hình hộp chữ nhật có chiều dài 6,5dm, chiều rộng bằng 3,9dm, chiều cao 3,2dm. Hỏi diện tích quét sơn là bao nhiêu mét vuông?
Nếu một hình vuông có cạnh 0,25 m thì chu vi của hình vuông đó là:
A. 1m
B. 2m
C. 0,125m
D. 1,25m
Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s)in each of the following questions.
People are now far more materialistic than their predecessors years ago.
A. monetary
B. greedy
C. object-oriented
D. spiritual
Một tụ điện có điện dung 500 pF mắc vào hai cực của một máy phát điện có hiệu điện thế 220 V. Tính điện tích của tụ điện
A. 1,10 μC.
B. 11,0 μC.
C. 110 μC.
D. 0,11 μC.
Trong hệ trục toạ độ Oxyz, cho A(-l;2;3), B(l;0;-5), (P):2x+y-3z-4= 0. Tìm M ∈ P sao cho A, B, M thẳng hàng
A. M(-3;4;11)
B. M(-2;3;7)
C. M(0;1;-1)
D. M(1;2;0)
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.
You may have heard that tomatoes and processed tomato product like tomato sauce and canned tomatoes protect (31)______ some types of cancer. The cancer-preventing properties of tomato products have been (32)______ to lycopene. It is a bright red pigment found in tomatoes and other red fruits and is the cause of their red color. Unlike other fruits and vegetables, where nutritional content such as vitamin C is diminished upon cooking, processing of tomatoes increases the concentration of lycopene. Lycopene in tomato paste is four times (33)______ in fresh tomatoes. This is because lycopene is insoluble in water and is tightly bound to vegetable fiber. Thus, (34)______ tomato products such as pasteurized tomato juice, so up, sauce, and ketchup contain the highest concentrations of lycopene. Cooking and crushing tomatoes as in the canning process and serving in oil-rich dishes such as spaghetti sauce or pizza (35)______ increase assimilation from the digestive tract into the bloodstream. Lycopene is a fat-soluble substance, so the oil is said to help absorption to a great extent.
Question 35
A. largely
B. chiefly
C. mainly
D. greatly
Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
“Get out of my car or I’ll call the police!” Jane shouted to the strange man.
A. Jane politely told the man she would call the police if he didn’t leave her car.
B. Jane plainly said that she would call the police.
C. Jane threatened to call the police if the man didn’t leave her car.
D. Jane informed the strange man that she would call the police.