【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?
【简答题】黏土平瓦若穿铁丝钉圆钉,每 100m 2 增加 ( ) 工日,增加镀锌低碳钢丝 (22)( ) ,圆钉 ( ) 。
【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
【判断题】电磁式过电流继电器反力弹簧越紧,吸合电流越大。( )
【单选题】The risk that is specific to individual stocks is called______.
【多选题】以下关于二分检索法的时间复杂度描述,正确的有________
B.
查找一个数据集合中存在的元素,最坏情况下的时间复杂度是O(log n)
C.
查找一个数据集合中不存在的元素,最坏情况下时间复杂度是O(n)
【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( )。