肿瘤的颜色与下列哪项因素无关（）。 A.组织来源，主、间质的多少 B.含血量多少 C

某同学利用图所示电路测量小灯泡的电阻。开关闭合后小灯泡发光，两表都有示数。在实验过程中小灯泡突然熄灭，电压表示数变大，电流表示数几乎为零。请判断出现该现象的可能原因

A．灯泡被短路      

B．开关被断开

C．灯丝被烧断      

D．滑动变阻器被烧断

“热带沙漠地区，全年炎热，昼夜温差大。为减少房屋里的温度变化，房屋的墙比较厚，窗子较小”，这说明气温与_______关系密切。

女30岁，头昏乏力2年，近3个月加重；检验结果：血红蛋白58g／L，骨髓亚铁氰化钾染色骨髓小粒含铁血黄素（+++）

除下列哪项疾病外，均有可能（）

A.慢性再生障碍性贫血

B.缺铁性贫血

C.巨幼细胞性贫血

D.慢性感染性贫血

E.慢性溶血性贫血

某公司于2004年10月正式成立，公司成立后依法办理了税务登记。2005年3月，该公司的主管税务机关对该公司的财务会计账簿进行了税务检查，发现该公司没有将其财务、会计制度报送税务机关备案。由于拖延的时间较长，于是，主管的税务机关决定对该公司进行罚款处理，决定对该公司罚款20000元。
根据以上事实及有关规定，回答下列问题：
(1) 该公司的主管税务机关是否有权对该公司的财务会计账簿进行检查为什么
(2) 该公司是否违反了税务管理的规定为什么
(3) 税务机关对于公司的罚款决定是否正确为什么

Throughout history has (1) changed his physical environment in order to improve his (2) of life. With the tools of technology he has (3) many physical features of the earth. He has (4) woodlands and prairies into farms and made lakes and reservoirs (5) of rivers for irrigation purposes or hydroelectric (6) . Man has also modified the face of the earth by (7) marshes and cutting through mountains to (8) roads and railways.
However, man’s (9) to the physical environment have not always had beneficial results. Today, (10) of the air and water is an increasing danger to the health of the (11) . Each day thousands of tons of gases come out of the exhausts of motor vehicles. (12) from factories pollutes the air of industrialized areas and the surrounding (13) of the countryside. The pollution of water is equally harmful. The whole ecological (14) of the sea is being changed and (15) wastes have already made many rivers lifeless.
Now (16) protection is more pressing than ever before. As we know, massive destruction of the environment has brought about (17) effects and even poses a great (18) to man’s existence. Indifference to these problems will mean committing suicide. Therefore, effective (19) should be taken and laws passed to (20) the environment. Otherwise, man is certain to suffer from the serious consequences caused by this lack of care for his living surroundings.