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【单选题】
H 2 C 2 O 4 水溶液中H 2 C 2 O 4 、HC 2 O 4 - 和C 2 O 4 2- 三种形态的粒子的分布分数δ随溶液pH变化的关系如图所示[已知K sp (CaC 2 O 4 )＝2.3×10 －9 ]。下列说法正确的是A.
曲线①代表的粒子是HC 2 O 4 -
B.
0.1 mol·L －1 NaHC 2 O 4 溶液中：c(C 2 O 4 2- )＞c(H 2 C 2 O 4 )
C.
pH＝5时，溶液中主要含碳物种浓度大小关系为：c(C 2 O 4 2- )＞c(H 2 C 2 O 4 )＞c(HC 2 O 4 - )
D.
一定温度下，往CaC 2 O 4 饱和溶液中加入少量CaCl 2 固体，c(C 2 O 4 2- )将减小，c(Ca 2 ＋ )不变
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【单选题】下图为注射剂的制备工艺流程及环境区域划分示意图,图中空缺部分以数字顺序依次为( )。
A.
注射用水，纯水，稀配，浓配
B.
注射用水，纯水，浓配，稀配
C.
纯水，注射用水，稀配，浓配
D.
纯水，注射用水，浓配，稀配
【简答题】Please finish the exercises No.1,No.2 and No.4.
【单选题】With No.1 and No.2 alternators running in parallel and the kW loads equally shared, one alternator is drawing much higher current than the otherWhat does this indicate?
A.
The alternators are not generating the same voltages and should be adjusted on automatic voltage regulator rheostats
B.
Alternator frequencies are different and should be adjusted on the governor speed controllers
C.
Alternators are out of phase and should be tripped and paralleled again
D.
One alternator has lost one of its phases
【多选题】甲作为出票人，乙收款受款人，丙为付款人，乙将票据背书转让给了丁，丁转让于戊。在本票据关系中，票据债务人对持票人提出的以下抗辩，人民法院予以支持的是：（ ）
A.
设戊与乙之间有直接债权债务关系并且不履行约定义务，乙对戊提出的抗辩
B.
甲以乙戊之间的抗辩事由对持票人戊提出的抗辩
C.
设庚以偷盗手段取得票据，甲以此提出抗辩
D.
设庚明知乙戊之间存在抗辩事由，仍取得该票款
【单选题】One of the differences between Pit No.2 and Pit No.1 is that_______.
A.
The former has more soldiers than the latter
B.
The former has more war chariots than the latter
C.
The soldiers hold more modern weapons in Pit No.2
D.
The war chariot was drawn by horses in the former rather than by soldiers as in the latter.
【单选题】丰田A140E型自动变速器的D位四挡时电磁No.1和 No.2电磁阀的工作情况( )
A.
No.1 电磁和 No.2电磁阀都不工作
B.
No.1 电磁不工作，No.2电磁阀工作
C.
No.1 电磁工作， No.2电磁阀不工作
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