关于胰液的叙述，错误的是A．胰液在非消化期几乎不分泌 B．胰液中无机物的作用是中和胃

北方航空公司实行对教师机票六五折优惠，这实际上是吸引乘客的一种经营策略，该航空公司并没有实际让利，因为当某天某航班的满员率超过90%时，就停售当天优惠价机票，而即使在高峰期，航班的满员率也很少超过90%的。有座位空着，何不以优惠价促销它呢
以下哪项如果是真的，将最有力地削弱上述论证

A．绝大多数教师乘客并不是因为票价优惠才选择北方航空公司的航班的。
B．该航空公司实施优惠价的7月份的营业额比未实施优惠价的2月份增加了30%。
C．实施教师优惠票价是表示对教师职业的一种尊重，不应从功利角度对此进行评价。
D．该航空公司在实施教师优惠价的同时，实施季节性调价。
E．该航空公司各航班全年的平均满员率是50%。

Directions: Complete the following passage by using ONE word that best fits the context.

Dear boys and girls,

It’s a great honor to speak here .I’m really sorry that it will be only ten days小题1:      you graduate from our school .I have always been feeling honored to have been your English teacher in the小题2:         three years, during 小题3:I have been greatly impressed by your 小题4:  qualities such as honesty ,diligence, cleverness, unselfishness ,co-operation and so on. 小题5:   in my teaching career have I met such wonderful students as you .

The possibility of enhancing one’s knowledge is limitless .Graduation小题6:   marks a stage of one’s education .Unceasing asking 小题7: knowledge will unceasingly escalate us to ever higher and higher attainments.

I do believe that your efforts will eventually pay off . I, as well as your other teachers ,am praying that every one of you will be admitted to 小题8:      ideal college.

Love from

Your English teacher

最易并发颅底骨折或颅脑损伤的颌骨骨折是（）

A.上颌骨LeFortⅠ型骨折

B.上颌骨LeFortⅡ型骨折

C.上颌骨LeFortⅢ型骨折

D.下颌骨髁状突骨折

E.下颌骨正中骨折

两块板厚为8mm的钢板对接，焊缝长度为30mm，该钢焊缝的许用切应力[τ′]为98′MPa，试计算焊缝所能承受的剪切力？

内部审计人员可以采用（）等方法获取审计证据。

A.审核

B.审讯

C.观察

D.函证