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【简答题】
护照上面的DT到底意味着什么?护照上的DT是什么意思?
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【简答题】第三节：完形填空（共20小题，每小题1.5分，满分30分） 阅读下面短文，掌握其大意，然后从各题所给的四个选项（A、B、C和D）中，选出最佳选项。 The climate will be warm and __21___ with prolonged droughts in most of the world’s grain growing ___22__. Because of the incr...
【单选题】关于激素的代谢下述何项是正确的（ ）
A.
卵巢主要合成雌二醇和雌酮两种雌激素
B.
雌酮是雌二醇的降解产物
C.
雌三醇由雌酮降解而来
D.
卵巢分泌的孕激素主要是孕二醇
E.
孕二醇的降解产物是孕酮
【单选题】He doesn't worry about 30-to-100-year shifts in the climate.
A.
development
B.
influence
C.
results
D.
changes
【单选题】关于激素的代谢下述何项是正确的( )
A.
雌三醇由雌酮降解而来
B.
卵巢主要合成雌二醇和雌酮两种雌激素
C.
孕二醇的降解产物是孕酮
D.
卵巢分泌的孕激素主要是孕二醇
E.
雌酮是雌二醇的降解产物
【单选题】Which of the following factors has hindered the progress in Africa?
A.
Tropical climate.
B.
Political unrest.
C.
Food crisis.
D.
Disease.
【单选题】The climate in Beijing is colder than ________ in winter.
A.
Shanghai
B.
the climate in Shanghai
C.
that of Shanghai
D.
in Shanghai
【单选题】The climate in London is quite pleasant, the temperature rarely, ifany, ________ 30 ℃ .
A.
reaches
B.
reached
C.
hasreached
D.
reaching
【单选题】( )
A.
Because she likes the city's mild climate that is beneficial to her health.
B.
Because she loves to work with young people and share her ecxperience.
C.
Because she does not have the required certificate in business management.
D.
Because she does not think that she has earned quite enough from her previous job.
【单选题】The climate here is quite pleasant, the temperature rarely, , reaching 30C in summer.
A.
if not
B.
if ever
C.
if any
D.
if so
【单选题】关于激素的代谢，下述何项正确
A.
卵巢主要合成雌二醇和雌酮两种雌激素
B.
雌酮是雌二醇的降解产物
C.
雌酮是雌三醇的降解产物
D.
卵巢分泌的孕激素主要是孕二醇
E.
孕二醇的降解产物是孕酮
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