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【简答题】

第一个定量地质年表于下面哪一年被提出:()

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参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【单选题】对下面句子理解错误的是: "谁习计会,能为文收责于薛者乎?"

A.
习:学习。
B.
责:“债”的古字。
C.
文:孟尝君的自称,他姓田名文。
D.
责:读zhai去声。

【单选题】Part ADirections: Read the following four texts.Answer the questions below each text by choosing A, B, C or D.(40 points)The long year of food shortage in this country have suddenly given way to appar...

A.
The abundant food supply is not expected to last
B.
Britain is importing less food
C.
Despite the abundance, food prices keep rising
D.
Britain will cut back on its production of food

【单选题】下面关于钠泵生理意义的叙述,错误的是()

A.
细胞膜内外Na + 和K + 的浓度差,是细胞具有兴奋性的基础,也是细胞生物电活动产生的前提条件
B.
维持细胞内Na + 高,是胞质内许多代谢反应所必需的,如核糖体合成蛋白质;而细胞膜外高K + 状态,为许多代谢反应正常进行提供必需条件
C.
钠泵活动能维持胞质渗透压和细胞容积的相对稳定
D.
Na + 在膜两侧的浓度差是其他许多物质继发性主动转运(如葡萄糖、氨基酸等)的动力
E.
钠泵的活动对维持细胞内pH的稳定性具有重要意义

【单选题】下面哪一项不是面试的特点?( )

A.
以“问”、“听”、“观”、“评”为主要方式
B.
反映信息全面
C.
标准化程度高,适合大规模的“团体测验”
D.
主观性强、易受环境干扰

【单选题】The long year of food shortage in this country have suddenly given way to apparent abundance. Stores and shops are choked with food. Rationing (定量供应 ) is virtually suspended, and overseas suppliers ha...

A.
the fall in world food prices would benefit British food producers
B.
an expansion of food production was at hand
C.
British food producers would receive more government financial support
D.
it looks depressing despite government guarantees

【单选题】定量检测AFP不能采用

A.
ELISA
B.
RIA
C.
对流免疫电泳
D.
荧光偏振免疫
E.
电化学发光