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【单选题】
除8种必需氨基酸外,还有()是婴幼儿不可缺少的氨基酸
A.
半胱氨酸
B.
组氨酸
C.
精氨酸
D.
丝氨酸
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参考答案:
举一反三
【简答题】He attributed his troubles ______ his own endless drive for achievement and the pressures to live up to his parents' ambitions for him.
【多选题】茄子繁种的留果节位一般为( )
A.
门茄
B.
对茄
C.
四母斗
D.
八面风
【单选题】放大电路外接一负载电阻RL后,输出电阻Ro将
A.
增大
B.
减小
C.
不变
D.
等于Rl
【单选题】放大电路外接一负载电阻 RL 后,输出电阻 RO 将 。
A.
增大
B.
减小
C.
不变
D.
等于RL
【单选题】Thomas‘ success can be attributed to 查看材料
A.
his talent, his skill in management, and his devotion to his work
B.
his good luck
C.
his good relations with a business manager
D.
his good treatment of his workers
【单选题】放大电路外接一负载电阻 后,输出电阻 将( )。
A.
增大
B.
减小
C.
不变
D.
等于
【单选题】He attributed his success _____ the hard work and a bit of good luck.
A.
to
B.
on
C.
of
D.
with
【单选题】He learned his London at first hand and he came to understand the comedy as well as tragedy of poverty.
A.
他自根本地方去研究伦敦,终于明白了贫苦人的喜剧与悲剧。
B.
他直接自伦敦获得许多教训,乃开始了解贫穷固是不幸,但贫穷亦有它的趣味。
C.
他直接熟悉伦敦,并且了解其喜剧与其贫困之悲剧。
D.
他“认识伦敦”是由于亲身经历,因而知道贫穷有悲伤,也有欢乐。
【简答题】She attributed his failure to lack of experience.(英译汉)
【单选题】He is now _____, so he has to look for a job in a short time. Otherwise, his family will face the trouble of lacking money. [     ]
A.
at work
B.
out of work
C.
for work
D.
on the way to work
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