下面各项中，可以反映企业偿债能力的指标是( )。A．投资利润率 B．速动比率 C．

The subject of "What is interesting is that I do not even know him." is_______.

A．what

B．interesting

C．What is interesting

D．I

—Is Tom still in New York or already back at home? 

—I’m not sure _________. I’ll call to make sure.

A．if he has been back

B．that he has come back

C．why he has come back

D．how he will be back

列车最后两辆不得为关门车。

Budd-Chiari综合征时肝肿大是由于

A．肝淤血

B．代谢异常

C．肿瘤

D．血液病

E．中毒

( )是施工中的重要环节，应本着安全可靠、构造简单、施工方便和节约钢材的原则进行。

A．钢结构加工制件
B．钢结构安装工程
C．钢结构的连接
D．钢结构涂装工程