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【单选题】
—Jack Brown is very clever and he studies hard as well. —No ________ he comes out first in the exams.A.
answer
B.
question
C.
wonder
D.
problem
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【简答题】What do the huge
population demand?
【单选题】— Do you think the president will ____ to their demand? — God only knows! [ ]
A.
give up
B.
give in
C.
give away
D.
give out
【简答题】demand____(to do/doing)
【判断题】如果存在正的常数C和自然数N0,使得当N≥N0时有f(N)≤Cg(N),则称函数f(N)当N充分大时上有界,且g(N)是它的一个上界,记为f(N)=O(g(N)),即f(N)的阶不高于g(N)的阶。
A.
正确
B.
错误
【单选题】Two types of fat make up total body fat is Essential fat and ( ).
A.
Non-essential fat
B.
Surface fat
C.
Stored fat
D.
Structural fat
【简答题】There are two types of maritime charges: ______ and ______.
【单选题】设 f(n),g(n) 是定义在正数集上的正函数 , 如果存在正的常数 c 和自然数 n 0 , 使得当 n≥n 0 时有 f(n)≤cg(n), 则称函数 f(n) 当 n 充分大时有渐近上界 g(n), 记作 f(n ) ∈○ (g(n)), 即 f(n) 的阶 ( )g(n) 的阶。
A.
不高于
B.
不低于
C.
等价于
D.
逼近
【多选题】What will adipocytes do when the demand for fuel rises?
A.
When the demand for fuel rises (between meals, for example), lipases in adipocytes hydrolyze stored triacylglycerols (TAGs) to release free fatty acids, which can travel in the bloodstream to skeletal muscle and the heart.
B.
T he release of fatty acids from adipocytes is greatly accelerated by epinephrine, which stimulates the cAMP-dependent phosphorylation of perilipin and thus gives lipases specific for tri-, di-, and monoacylglycerols access to TAGs in lipid droplets .
C.
Hormone-sensitive lipase is also stimulated by phosphorylation, but this is not the main cause of increased lipolysis.
D.
Insulin counterbalances this effect of epinephrine, decreasing the activity of the lipase.
【判断题】如果存在正的常数C和自然数N 0 ,使得当N≥N 0 时有f(N)≤Cg(N),则称函数f(N)当N充分大时上有界,且g(N)是它的一个上界,记为f(N)=O(g(N)),即f(N)的阶不高于g(N)的阶。
A.
正确
B.
错误
【简答题】As you can see from the table, when the demand for steel rises, _. A. so do prices B .so prices do C .neither do prices D.neither prices do
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