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【单选题】
在计算机网络体系结构中,网络层传输的基本单位是
A.
字符
B.
帧
C.
比特
D.
分组
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举一反三
【单选题】不可以用于氨基酸检识的试剂有
A.
茚三酮试剂
B.
吲哚醌试剂
C.
1，2-萘醌-4-磺酸试剂
D.
碱式硫酸酮试剂
E.
硫酸乙醇溶液
查看完整题目与答案
【简答题】阅读短文,判断对错。 Today is Sunday.Ann and Ken get up very late.They want to go to a movie.But it starts at 8∶00.They don’t have enough time.They want to go to the green park.But it’s too far away.So they go ...
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【单选题】茚三酮试剂可用于检识
A.
氨基酸
B.
有机酸
C.
强心苷
D.
香豆素
E.
木脂素
查看完整题目与答案
【简答题】阅读下列材料，回答问题。 材料一凡分田、照人口，不论男妇，算其家人口多寡，人多则多分，杂以九等。……务使天下共享天父上皇上帝大福，有田同耕，有饭同食，有衣同穿，有钱同使，无处不均匀，无人不饱暖也。 ——《天朝田亩制度》 材料二兴车马之利……倘有能造如外邦火轮车，一日夜能行七八千里者，准自专其利，限满准他人仿做。兴银行……兴器皿技艺。有能造精奇利便者，准其自售。兴宝藏。凡金、银、铜、铁……等货...
查看完整题目与答案
【单选题】It’s not cheap enough.
A.
I can’t buy it.
B.
I can buy it.
查看完整题目与答案
【单选题】George and his family live in an apartment. It’s comfortable. But there isn’t enough room for the children to grow up. George and his wife had been looking around for a bigger place. The first place t...
A.
together with his parents
B.
in an uncomfortable house
C.
in an apartment without a garden
D.
in an comfortable house but he doesn’t like it
查看完整题目与答案
【单选题】It’s cheap enough.
A.
I can’t buy it
B.
I can buy it
查看完整题目与答案
【单选题】下面对成骨细胞的描述,哪一项是错误的
A.
胞质内粗面质网和高尔基复合体发达
B.
转变为骨细胞
C.
排列在骨组织的表面
D.
体积较大，有多个核
E.
胞质嗜碱性
查看完整题目与答案
【简答题】George and his family live in an apartment. It’s comfortable. But there isn’t enough room for the children to grow up. George and his wife had been looking around for a bigger place. The first place t...
查看完整题目与答案
【单选题】— Don’t you think that’s expensive? —________ .
A.
Not at all. That’s the best price in town
B.
Believe it or not. It’s good
C.
It’s impossible to cost so much
D.
It’s cheap enough
查看完整题目与答案
相关题目：
【单选题】不可以用于氨基酸检识的试剂有
A.
茚三酮试剂
B.
吲哚醌试剂
C.
1，2-萘醌-4-磺酸试剂
D.
碱式硫酸酮试剂
E.
硫酸乙醇溶液
查看完整题目与答案
【简答题】阅读短文,判断对错。 Today is Sunday.Ann and Ken get up very late.They want to go to a movie.But it starts at 8∶00.They don’t have enough time.They want to go to the green park.But it’s too far away.So they go ...
查看完整题目与答案
【单选题】茚三酮试剂可用于检识
A.
氨基酸
B.
有机酸
C.
强心苷
D.
香豆素
E.
木脂素
查看完整题目与答案
【简答题】阅读下列材料，回答问题。 材料一凡分田、照人口，不论男妇，算其家人口多寡，人多则多分，杂以九等。……务使天下共享天父上皇上帝大福，有田同耕，有饭同食，有衣同穿，有钱同使，无处不均匀，无人不饱暖也。 ——《天朝田亩制度》 材料二兴车马之利……倘有能造如外邦火轮车，一日夜能行七八千里者，准自专其利，限满准他人仿做。兴银行……兴器皿技艺。有能造精奇利便者，准其自售。兴宝藏。凡金、银、铜、铁……等货...
查看完整题目与答案
【单选题】It’s not cheap enough.
A.
I can’t buy it.
B.
I can buy it.
查看完整题目与答案
【单选题】George and his family live in an apartment. It’s comfortable. But there isn’t enough room for the children to grow up. George and his wife had been looking around for a bigger place. The first place t...
A.
together with his parents
B.
in an uncomfortable house
C.
in an apartment without a garden
D.
in an comfortable house but he doesn’t like it
查看完整题目与答案
【单选题】It’s cheap enough.
A.
I can’t buy it
B.
I can buy it
查看完整题目与答案
【单选题】下面对成骨细胞的描述,哪一项是错误的
A.
胞质内粗面质网和高尔基复合体发达
B.
转变为骨细胞
C.
排列在骨组织的表面
D.
体积较大，有多个核
E.
胞质嗜碱性
查看完整题目与答案
【简答题】George and his family live in an apartment. It’s comfortable. But there isn’t enough room for the children to grow up. George and his wife had been looking around for a bigger place. The first place t...
查看完整题目与答案
【单选题】— Don’t you think that’s expensive? —________ .
A.
Not at all. That’s the best price in town
B.
Believe it or not. It’s good
C.
It’s impossible to cost so much
D.
It’s cheap enough
查看完整题目与答案