单项选择题：我国古籍文献中，最早出现的“信”字来源于（） A.《孟子》 B.《尚书》 C.《春秋

题型：选择题

产能过剩是指生产能力的总和大于消费能力的总和的经济现象。目前我国工业产业产能过剩情况比较严重，尤其是钢铁、水泥、电解铝、平板玻璃、汽车制造等行业。据此回答下列问题。

小题1:如果用图2反映产能过剩，从马克思的劳动价值论出发，对该图的正确解读是

A．产能过剩行业的商品供过于求，商品价格低于其价值

B．产能过剩行业的商品滞销，但商品价格仍高于其价值

C．产能过剩行业的部分商品卖不出去，商品价值无法全部实现

D．产能过剩行业的商品大量积压，商品价值实现要有一个过程小题2:怎样化解产能过剩？不同的经济理论有不同的政策主张。基于凯恩斯的理论，化解产能过剩的经济政策的着力方向是

A．减少政府投资，压缩产能过剩商品的供给

B．放任经济自由，让市场自动实现供求平衡

C．调整产能结构，改善产能过剩商品的供给

D．实施赤字财政，扩大产能过剩商品的需求

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题型：解答题

已知命题q：不等式-3^x≤a对一切正实数x均成立为真命题，求实数a的取值范围．

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题型：单项选择题

蛔、钩、蛲虫和多种肠虫混合感染用

A．噻嘧啶

B．氯硝柳胺

C．哌嗪

D．甲硝唑

E．乙胺嘧啶

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题型：选择题

土地荒漠化是指风沙侵蚀和水土流失的发展，最终导致土地生产力长期丧失，形成如同荒漠般的景观。据此完成以下问题

小题1:土地荒漠化包括：

①土地沙漠化 ②石质荒漠化

③次生盐渍化 ④土地污染

⑤水土流失 ⑥沙尘暴

A．①②③

B．④⑤⑥

C．①②③④⑤⑥

D．①②小题2:可能发生荒漠化的地区有：

①干旱地区 ②半干旱地区

③半湿润地区 ④热带地区

⑤两极地区 ⑥草原牧区

⑦高山地区

A．①②③④

B．①②③④⑥⑦

C．①③⑤⑦

D．①②③小题3:与荒漠化形成有关的因素包括：

①植被破坏 ②气候变异

③海面上升 ④酸雨危害

⑤风沙侵蚀 ⑥水土流失

⑦过度开发 ⑧太阳活动

A．①②⑤⑥⑦

B．②③④⑤⑥

C．③④⑤⑥⑦

D．④⑤⑥⑦⑧小题4:东胜、准格尔附近沙漠形成的主要原因是：

A．过度开垦

B．过度樵采

C．工矿开发

D．水资源利用不当

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题型：完形填空

I’ve spent most of my career as a traveling salesman, and so I know that    1   is an occupational disease. But one year, my    2   gave me the cure for my homesickness.
It had black bright eyes, a red bow tie and orange feet--- a stuffed penguin (企鹅) that   3   about five inches tall. Attached to its left wing    4   a little sign with the hand-painted declaration “ I Love My Dad!”. I immediately  5   the penguin on my table.
On my next trip, I put the   6   in my suitcase. That night when I called home, my daughter Jeanine was    7   because the penguin had disappeared. “Honey, he’s here with me,” I explained, “ I brought him    8 ”.
   9  , the penguin came with me --- as necessary as my briefcase. And we     10   along the way. In Albuquerque, I checked into a    11  , dropped my bag and ran to a meeting. When I returned, the maid had    12   the bed and stood the penguin on the pillow.
One night, I discovered the penguin    13  , and after a mad phone call, I learned I’d    14   it in my previous hotel room,    15   it had been rescued by a maid. I       16     a hundred miles to get it, and when I arrived at midnight, the penguin was waiting at the front desk. In the hotel lobby (大厅), other tired business travelers were    17     at the reunion of my penguin and me --- I think with a touch of    18  .
Jeanine is in college now, and I don’t travel    19  . The penguin sits on my table, a reminder that love is a wonderful traveling companion. All those years on    20  , it was the one thing I never left home without.

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我国古籍文献中，最早出现的“信”字来源于（） A.《孟子》 B.《尚书》 C.《春秋

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