影响噪声的因素，正确的是A．X线剂量B．扫描层厚C．重建算法D．检测器灵敏度E．以上都对

A、having insured

B、have arranged

C、to have ensured

D、having assured

These are goods insured () all risks.

A．with

B．against

C．in

D．/

These are goods insured()all risks.

A．with

B．against

C．in

D．/

Please fill in this ______ form after you have read it carefully. (apply)

These are goods insured（）all risks．

A．with

B．against

C．in

D．/

A．at, on

B．in, for

C．on, at

D．with, for

Second-hand goods sometimes fill you with sadness because ______.

A．they are too expensive for ordinary buyers

B．they are now not cared for very much

C．they make you think of the former owners

D．they are sold cheaply

In order to get back travel expense, what will you have to do？

You have to fill in a claim form, _________, and state the purpose of the journey.

These are goods insured()all risks．

A．with

B．against

C．in

D．/