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【单选题】
在体内经代谢转变可生成牛磺酸的氨基酸是A.
B.
C.
D.
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举一反三
【单选题】He talked as if he ______ to Beijing, but I knew he hadn't.
A.
went
B.
were
C.
had been
D.
would have been
【单选题】Girls, I’ll tell you _______, and you can do it ________.
A.
how to do; by yourself
B.
what to do; by yourself
C.
how to do it; alone
D.
what to do; on yours own
【单选题】How do you eat rice using chopsticks?
A.
Pick up clumps of rice and bring them to your mouth.
B.
Eat a grain at a time, by bringing the rice bowl up to your chin.
C.
Scoop rice into your mouth, by bringing the rice bowl up to your chin.
D.
Bring your mouth to the table and use chopsticks as a scoop.
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