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【单选题】
What is the passage mainly about?
A.
The possible origin of St. Valentine's Day.
B.
The love story of a Christian named Valentine.
C.
A story about Valentines.
D.
An unusual holiday.
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【单选题】参与调节血液循环的体液因素中,可使心率减慢、心肌收缩力减弱的是
A.
B.
C.
D.
儿茶酚胺
【简答题】When I was born, my parents immediately noticed something wrong. My feet were deformed (畸形的), pointing inward and curling under. I wore casts (石膏) and foot braces (支架) in my first two years to correct...
【单选题】使心率减慢、心肌收缩力减弱的体液因素有
A.
乙酰胆碱
B.
维生素C
C.
D.
E.
儿茶酚胺
【单选题】Two examples should _____ to illustrate my point.
A.
employ
B.
certify
C.
expose
D.
suffice
【简答题】When I was fif, I announced to my English class that I was going to write and illustrate my own books. Half the students sneered. The rest nearly fell out of their chairs laughing. “Don’t be silly...
【单选题】I didn't say anything like that at all. You are purposely______ my ideas to prove your point.
A.
revising
B.
contradicting
C.
distorting
D.
distracting
【单选题】使心率减慢、心肌收缩力减弱的体液因素有
A.
乙酰胆碱
B.
.钾
C.
.钠
D.
.钙
E.
儿茶酚胺
【单选题】To illustrate my point, I have done a ___ analysis.
A.
debate
B.
comparative
C.
expected
D.
possible
【单选题】I didn't say anything like that at all. You are purposely ______ my idea to prove your point.
A.
revising
B.
contradicting
C.
distorting
D.
distracting
【多选题】下列哪些状况下机体处于负氮平衡( )
A.
长时间发热
B.
疾病恢复
C.
老年
D.
饥饿
E.
儿童
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