【单选题】Why is personal space shrinking in general?
A.
Personal space is psychological, not physical: i t has less to do with the space outside us than with our inner space
B.
It is directly proportional to the expansion of self-absorption: people whose attention is inward do not bother to look outward.
【判断题】I t is not considered that the effect of the earth curvature to horizontal angle in general surveying work besides in the high precise work.
【判断题】皮肤沾染强酸用大量水冲洗,或用小苏打、肥皂水洗涤,必要时敷软膏;溅入眼睛用温水冲洗后,再用5%盐酸溶液水洗。
【单选题】患者女性,40岁,以自发性低血糖,血浆胰岛素水平升高,渐进性记忆力下降,精神恍惚等临床表现而入院,B超及CT检查示胰头部肿瘤,手术切除。
胰岛素瘤镜下病变不包括( )
【简答题】分泌胰岛素的细胞为( ),可以降低血糖水平,防止发生高血糖血症。
【判断题】通过网络参与大众娱乐和获得信息,是人们使用互联网的两种主要目的。
【单选题】There is a general opposition to big cuts in import tariffs for some industries because
A.
they are sources of huge revenues
B.
they may fail to survive foreign competition
C.
they are new industries
D.
they are supported by the government
【单选题】胰岛素与细胞膜上相应受体结合后可以促进细胞对葡萄糖的吸收。下列情况可以导致血糖浓度降低的是( )
【简答题】人类糖尿病可以分为Ⅰ型糖尿病和Ⅱ型糖尿病。下图是Ⅰ型、Ⅱ型两种糖尿病简要发病机理模式图,请回答: 一型糖尿病可通过注射胰岛素进行治疗,是因为胰岛素可以促进组织细胞加速(),从而使血糖水平降低。二型糖尿病患者表现为胰岛素的分泌量并不低,甚至还偏高,但组织细胞对胰岛素却不够敏感,其可能的原因是()。
【简答题】两个有理数相减,是否存在“不够减”的问题呢? 差一定小于被减数吗?