量表如果具有高信度则一定也具有高效度。（）

询价对象应当在年度结束后（）内对上年度参与询价的情况进行总结，并就其是否持续符合规定的条件以及是否遵守《证券发行与承销管理办法》对询价对象的监管要求进行说明。

A.1个月

B.2个月

C.3个月

D.6个月

病历摘要：患者男性，44岁。呕血三日，急诊入院。病人半年来经常腹胀，食欲不振，厌油、恶心、反酸，日渐消瘦。三天前，因饮酒较多、吃冷硬食物后，出现呕血，共三次，前两次较新鲜，量约400毫升，后一次为咖啡样，量约150毫升。体检：血压14／12kPa。消瘦，贫血貌，面颊及前胸部有五枚蜘蛛痣，心肺无异常，肝不大，脾可触及，边缘较韧。使用三腔管应注意哪些事项？（）

A.病人应平卧

B.管由口下

C.详细检查气囊，有无漏气，管外涂油以便于插入；注意误咽引起的吸入性肺炎

D.考虑为食管下段静脉破裂大出血时，先将食管气囊充气，后将胃气囊充气

E.气管可置放一周

F.拨管时先排空食管气囊，后排空胃气囊，观察12～24小时，无出血，管缓慢拔出

下列关于晶体的性质叙述中，不正确的是 [ ]

A.晶体的自范性指的是在适宜条件下晶体能够自发地呈现封闭规则的多面体几何外形

B.晶体的各向异性和对称性是矛盾的

C.晶体的对称性是微观粒子按一定规律作周期性的有序排列的必然结果

D.晶体的各向异性直接取决于微观粒子的排列具有特定的方向性

It is winter in many parts of the world. For some areas, that means snow. Maybe even lots of snow. If you don’t have to drive in it or remove it, snow can be very beautiful. When snow covers everything around you, the world looks like a “winter wonderland”. That is the name of a very popular song about winter. Richard Smith and Felix Bernard wrote the song back in 1934. There are hundreds of recordings of this happy song.

But winter is not always such a beautiful and happy time. It’s cold outside. You try hard to keep warm. The days are darker and shorter. The sun rarely shines. The leaves on the trees are brown. It isn’t surprising that some people are sad in winter. And some people dream about being somewhere else where it’s warm and pretty—like the state of California. The Mamas and the Papas recorded this famous song “California Dreaming”.

During the 1960s, many other famous rock groups released songs about winter. Here is a poetic song by Simon and Garfunkel called “A Hazy Shade of Winter”. They sing about life and hope and possibilities.

In 1968, the group Blood, Sweat and Tears recorded this gentle, sad song about winter. They sing about a lost love and forgotten memories in “Sometimes in Winter”.

In the early 1990s, Tori Amos wrote and recorded the beautiful song called “Winter”. She enjoyed singing about winter when she was a child.

Finally, on a happier note comes this song written and recorded by Fountains of Wayne in 2003. They sing about a snowstorm in a New England town. Nothing unusual there. But instead of being sad or tense about the snow, they write a song about it.

小题1: The underlined sentence “For some areas, that means snow.” probably means 

_____ .

A．In some areas, when it’s winter, it must snow

B．In some areas, it often snows in winter

C．In some areas, it’s important to snow

D．In some areas, people like snow in winter小题2: According to the second paragraph, winter is _____ .

A．beautiful and happy

B．happy and warm

C．lovely and hopeful

D．cold and sad小题3:Which of the songs can bring us hope of life?

A．Winter Wonderland.

B．California Dreaming.

C．A Hazy Shade of Winter.

D．Sometimes in Winter.小题4:What does the passage mainly talk about?

A．Winter in different areas.

B．Different ideas about winter.

C．Songs about winter.

D．Winter is cold but happy.

优良的产酶微生物应当具备的条件