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【单选题】
在 RSTP 中,根据以下哪 一 个条件确定连接类 型 是 否 为 P2P
A.
是否 边 缘
B.
是否 全 双 工
C.
是否 根 端 口
D.
是否 被 阻塞
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举一反三
【简答题】A.The amount of the collected information. B.The originality of the idea put forward C.How well the paper is written. D.How early the paper is handed in.
【单选题】The manager has to ______ the presentation until next week.
A.
put off
B.
put with
C.
put on
D.
put through
【单选题】这些学生的自学能力应该好好培养下儿。 问:学生的自学能力怎么样?
A.
很好
B.
不太好
【单选题】'Was the driving pleasant when you vacationed in Beijing last summer?''No, it ______ for four days when we arrived. So the roads were very muddy.'
A.
was mining
B.
would be raining
C.
had been raining
D.
have rained
【单选题】With the weather getting colder, visitors from Australia spent their _____ days in Beijing.
A.
a few last
B.
last few
C.
few last
D.
last a few
【单选题】It’s two weeks since we _______ the work in Beijing Ren’ai Education Institute .A.finishB.have f
A.
31. It’s two weeks since we _______ the work in Beijing Ren’ai Education Institute . A.finish
B.
have finished
C.
finished
D.
has finished
【单选题】测试导入单选题13请选择下列一组叙述正确的句子( )。
A.
选择1过量的脂溶性维生素可从尿中排出
B.
选择2 脂溶性维生素,它溶于脂肪,而不溶于水,但其吸收与脂肪的存在无关系
C.
选择3脂溶性维生素,它溶于脂肪而不溶于水
D.
选择4 脂溶性维生素,它即溶于脂肪,又溶于热水
【单选题】维生素又名维他命,是维持人体生命活动所必需的一类有机物质,也是保持人体健康的重要活性物质。维生素不是构成机体组织和细胞的组成成分,它在体内也不会产生能量。下列关于维生素的叙述中不正确的是 [     ]
A.
维生素是参与生物发育和新陈代谢调节所必需的一类小分子
B.
人体对维生素的需要量极小,但其对人体的生长和健康至关重要
C.
维生素在天然食品中含量丰富,所以加工后的食品维生素含量也高
D.
习惯上把维生素分为脂溶性维生素和水溶性维生素
【单选题】Not until the 1980's ______ in Beijing start to find ways to preserve historic buildings from destruction.
A.
some concerned citizens
B.
some concerning citizens
C.
did some concerning citizens
D.
did some concerned citizens
【单选题】Hello! Is that 21035? Please put me ( ) to the manager.
A.
across
B.
up
C.
through
D.
over
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