对肠粘膜损伤有辅助保护功能是卫生部2003年确定的保健食品的功能之一。

小题1:Why did you keep ________(沉默) at the meeting? We need your suggestions!

小题2:Kangkang’s father is going to Shanghai on _________. (出差)

小题3:The trees have a great _______ (影响) on the climate.

小题4: He has ________ (成功)in winning the first prize in the game recently.

小题5: This is my personal ________（经历）. What about yours?

小题6:There is no doubt that Diaoyu Island _________(属于)to China.

小题7:Thank you for ________(邀请) me to go on holiday with you.

在配电装置上，接地线应装在该装置导电部分的规定地点，这些地点应划有黑色标记。所有配电装置的适当地点，均应设有与接地网相连的接地端，接地电阻应合格。接地线应采用三相短路式接地线，若使用分相式接地线时，应设置三相合一的接地端。

正常成人的血液总量约相当于体重的

A．7%～8%
B．15%
C．20%
D．60%
E．40%

股指期货特别可以用来规避( )。

A．非系统性风险

B．系统性风险

C．违约风险

D．经营风险

在平巷装卸车时，必须先怎样做？