【单选题】Systematic risk is defined as:
A.
a risk that specifically affects an asset or small group of assets.
B.
any risk that affects a large number of assets.
C.
any risk that has a huge impact on the return of a security.
D.
the random component of return.
【单选题】Which one of the following measures the amount of systematic risk present in a particular risky asset relative to the systematic risk present in an average risky asset?
【单选题】下列化学方程式正确的是( )
A.
2Fe+3H 2 SO 4 ═Fe 2 (SO 4 ) 3 +3H 2 ↑
C.
Fe+3AgNO 3 =Fe(NO 3 ) 3 +3Ag
D.
Fe 2 O 3 +3CO 高温 . 2Fe十3CO 2
【单选题】用单杠杆式差压变送器测量锅炉水位,若最高和最低水位相差400mm水柱,且参考水位比最高水位高出400mmH2O,在测试中得到: ΔP=- 700mmH2O时,P出=0.02MPa, ΔP=- 500mmH2O时,P出=0.1MPa, 则应____。
【单选题】The risk that is specific to individual stocks is called______.
【单选题】要使Fe 2 O 3 和Fe 3 O 4 含有相同质量的铁元素,则Fe 2 O 3 和Fe 3 O 4 的质量比是 [ ]
【多选题】MOV R0, #00H MOV A, #20H MOV B, #0FFH MOV 20H,#0F0H XCH A,R0 XCH A, B XCH A, @R0 该段程序运行后, A=( ), B=( )。
【单选题】按照反应Sn2++2Fe3+=Sn4++2Fe2+设计原电池,电池符号为( )。
A.
(-)C|Fe2+(c1),Fe3+(c2)||Sn4+(c3),Sn2+(c4)||Pt(+)
B.
(-)Pt|Sn4+(c1),Sn2+(c2)||Fe3+(c3),Fe2+(c4)||C(+)
C.
(+)C|Fe2+(c1),Fe3+(c2)||Sn4+(c3),Sn2+(c4)||ISn(-)
D.
(-)Pt|Sn4+(c1),Sn2+(c2)||Fe2+(c3),Fe3+(c4)||Fe(+)
【单选题】黎锦晖共创作12部儿童剧,其中最早的一部是()
【单选题】在工业生产中散发的各种粉尘,有害气体和蒸汽等有毒有害物,如果不加控制,会使室内、外空气环境受到污染和损坏,对人的健康、动植物生长以及生态造成危害,在上述情况下,有毒有害物进人人体的主要途径是( )。