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【单选题】
The class of drugs called statins have proved very effective against hypercholesterolemia, a major cause of atherosclerosis and associated cardiovascular disease. These drugs reduce plasma cholesterol levels by:A.
Preventing absorption of cholesterol from the intestine.
B.
Increasing the excretion of cholesterol from the body via conversion to bile acids.
C.
Inhibiting the conversion of 3-hydroxy-3-methylglutaryl-CoA to mevalonate in the pathway for cholesterol biosynthesis.
D.
Increasing the rate of degradation of 3-hydroxy-3-methylglutaryl CoA reductase.
E.
Stimulating the activity of the LDL receptor in the liver.
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【单选题】There are one or two ______ problems I’d like to discuss.
A.
other
B.
another
C.
others
D.
the other
【单选题】如图 所示,物系处于容器内,容器中间的半透膜 AB 只允许 O 2 通过,当物系建立平衡时,则物系中存在的相为: ( ) O 2 (g) Ag 2 O(s) Ag(s) O 2 (g) CCl 4 (g)
A.
1 气相， 1 固相
B.
1 气相， 2 固相
C.
1 气相， 3 固相
D.
2 气相， 2 固相
【单选题】听力原文：W: I may drive up to London on Saturday. There are one or two things I need to do there. M: I'd go early if I were you. The motorway can get very busy, even on a Saturday. You may get stuck in th...
A.
The road will be busy.
B.
It will take a long time.
C.
London will be crowded.
D.
She can come back early.
【单选题】There are_____I want to tell you.
A.
one or two things
B.
either one thing or another thing
C.
neither one thing nor another thing
D.
not only one thing
【单选题】如图所示,物系处于容器内,容器中间的半透膜AB只允许O 2 (g)通过, 当物系建立平衡时,则物系中存在的相为:
A.
1气相,1固相
B.
1气相,2固相
C.
1气相,3固相
D.
2气相,2固相
【单选题】听力原文：W: I may drive up to London on Saturday. There are one or two things I need to do there. M: I'd go early if I were you. The motorway can get very busy, even on Saturdays. You may get stuck in the...
A.
The road will be busy.
B.
It will take a long time.
C.
London will be crowded.
D.
She can come back early.
【简答题】There are over one million superstitions(迷信), and most people believe at least one or two of them. Many people are superstitious about numbers. They think that there are lucky numbers and unlucky numb...
【单选题】There are one or two minor differences, but they are ________ the same text.
A.
substantially
B.
exceedingly
C.
remarkably
D.
separately
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