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【单选题】
下列哪种氨基酸只有一个密码?A.
甲硫氨酸
B.
亮氨酸
C.
脯氨酸
D.
苏氨酸
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反馈参考答案：
举一反三
【单选题】I looked under ___ table and found ____ pen I lost last week.
A.
the, the
B.
the, a
C.
/, /
D.
the, /
【简答题】Lift Out of Order
【单选题】I looked under_____bed and found ___books I lost last week.
A.
the; a
B.
the;the
C.
/ ;the
D.
the; /
【单选题】I looked under ____ bed and found ____ book I lost last week. [ ]
A.
the; a
B.
the; the
C.
/; the
D.
the; /
【单选题】The lift was out of ______, so we had to watk all the way up to the top floor.
A.
function
B.
work
C.
order
D.
running
【单选题】Soon there is enough force to lift the plane ___ the ground.
A.
off
B.
of
C.
up
D.
out
【单选题】I looked under _____ bed and found _____ book I lost last week. [ ]
A.
the; a
B.
the; the
C.
不填; the
D.
the; 不填
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