如图所示,OB可能是空气中的一束光线入射到水面后的反射光线,也可能是水中的一束光

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问题:

如图所示,OB可能是空气中的一束光线入射到水面后的反射光线,也可能是水中的一束光线斜射入空气后的折射光线,在图中画出这两条入射光线。

考点:光的反射的光路图光的折射的光路图
题型:操作题

安全钳一旦动作,电梯必须立即停止,制动的距离越短越好。()

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与结核杆菌耐干燥有关的是()

A.胞壁致密

B.胞壁中脂质多

C.有芽胞

D.含耐热酶

E.以上都不是

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某股份有限公司于2004年1月1日成立,所得税核算采用应付税款法,适用的所得税税率为33%,2004年实现利润总额150 000元。2004年,该公司实际发放工资总额超过计税工资总额的部分为20 000元;管理用固定资产折旧为50 000元,但按税法规定采用年数总和法则应计提65 000元。2005年1月1日起,该公司为了提供更相关、更可靠的会计信息,决定将所得税核算方法由应付税款法改为递延法。则此项会计政策变更的累计影响数为( )元。

A.5600

B.4950

C.6600

D.11550

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下列加粗词语使用恰当的一项是[ ]

A.当时暴雨如注,满路泥泞,汽车已无法行走,抢险队员们只好安步当车,跋涉十个多小时赶到了舟曲。

B.听证会上,面对专家们略带挑剔的提问,刘工程师胸有成竹,对答如流。  

C.您刚刚乔迁新居,房间宽敞明亮,只是摆设略嫌单调,建议您挂幅油画,一定会使居室蓬毕生辉

D.我国许多城市都建立了食品质量报告制度,定期向社会公布有关部门的检验结果,从而使那些劣质食品在劫难逃

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用下面的词汇填空
increase, engage, capital, protect, failures, fail, interests, efficiently,
expensive, align, protect, insurance, defraud, losses, closes

Bank managers and owners must not be given incentives to (1) in behavior detrimental to the whole banking system. They must either run their banks (2) or face failure. Deposit insurance is meant to (3) the banking system, not poorly run banks. The fact is that bank (4) are often self-inflicted by owners and managers who mismanage. Such losses can be reduced if the supervisor (5) the bank before it fails totally, since delaying a bank closing or sale tends to increase (6) and to spread them to the banking system as a whole.
Even without deposit insurance, bank managers may pursue their own (7) at the expense of the bank. But the problem gets worse with (8) . Managers may indulge in such excesses as high salaries, (9) buildings, and lavish furnishings. To combat this problem, managers could receive an "incentive-compatible contract" to (10) their interests with those of the owners. When the hank is sound, managers can best (11) their professional reputations by keeping it so. However, if a bank begins to (12) and no proper incentive exists to protect its (13) , managers may join owners in being prepared to gamble for recovery by making high-risk loans or to loot or (14) the bank. At that point deposit insurance could (15) their opportunities to do so.

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