【多选题】当对选中的一段文字要进行复制,操作的方法是( )
B.
将鼠标指向选中的文字单击右键在弹出的菜单中选择“复制“菜单
【单选题】Why do the high-speed trains run so fast?
A.
They are driven by CRY electric multiple unit.
B.
Because the ticket price is high
C.
CRH train sets are newly designed
D.
They carry less passenger than ordinary trains
【单选题】Why do the high-speed trains run so fast?( )
A.
They are driven by CRH electric multiple unit
B.
Because the ticket price is high
C.
CRH train sets are newly designed
D.
They carry less passenger than ordinary trains
【单选题】Why do athletes often go to high altitudes to train?
A.
Because they want to increase the amount of haemoglobin in their bodies.
B.
Because it may help reduce the amount of red blood cells in their bodies.
C.
Because they intend to learn more from the mountain dwellers.
D.
Because it can help them to adapt themselves to the high altitude.
【判断题】DIC 时,血管的破损和组织因子大量释放与表达是引起出血的直接重要机制。
【单选题】Why do power transmission systems use high voltages?
A.
Transformers are more efficient at high voltages
B.
The wires become highly charged and repel
C.
Joule heating losses are decreased
D.
Three-phase systems can only work at high voltages
【单选题】某油气田开采企业2019年6月开采天然气100万立方米,开采成本为150万元,全部销售给关联企业,价格明显偏低并且无正当理由。当地无同类天然气售价,主管税务机关确定的成本利润率为10%,则该油气田企业当月应纳资源税(税率6%)是( )万元。
【简答题】What do you think the long-term effects of high staff turnover might be? (Why? / Why not?)
【单选题】Why do some gas station owners no longer accept credit cards?
A.
High credit card interchange fees.
B.
They like the 'instant gratification' of getting cash better.