The board of directors required that Mr. Brown justify buying the expensive equipment at a
A. give reasons for
B. verify
C. testify
D. give evidence about
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听力原文:W: Will John be coming to class this afternoon?
M: He's supposed to. But actually he cannot come out from the hospital until next week as the doctor has said.
Q: Where is John now?
(13)
At class.
Back at home.
C. At work.
D. In hospital.
听力原文:W: Ah, is this TV still on the warranty?
M: It should be since I bought it only two months ago.
Q: What happened on this TV set?
(16)
A. It is not theirs.
B. It has some problems.
C. It is out of warranty.
D. It was stolen.
Your caloric intake for building mass is determined by ______.
A. multiplying your body weight by 24
B. multiplying your body weight by 17
C. your metabolic rate, physical activity level and thermic effect of food
D. your sleep patterns, age, gender, body mass and body size
What has a significant position in the growth of human body tissues?
A. Essential amino acids.
B. Non-essential amino acids.
C. Fat.
D. Proteins.