下列哪一项不是结膜充血的特点( )A．常见于各种结膜炎B．鲜红色，越近穹隆充血越明

短文填词（共10小题；每小题1分，满分10分）

In the past hundred years, there have been frequent natural

disasters, _____ as floods, droughts, earthquakes. The disasters                         76._________

have killed m_____ of people, destroyed countless homes, and                77._________

wiped out numerous ______ (piece) of land.                               78. _________

Now more and more people become a_____ that those disasters               79. _________

have much to do ______ what we have done to the earth. We have cut         80. _________

down many trees in the forests, and have badly ______ (pollute)              81. _________

the environment. As a ______, climates have become worse and worse.       82. _________

The earth is our home-planet. It’s urgent for us to stop _____ (damage)         83. _________

it, and to do our best to p____ it and make it a lovely place suitable to live        84. _________

in, for we have n____ to go and survive except where we are now.              85. _________

肥胖者组织细胞中占细胞干重50%以上的化合物是[ ]

A．水

B．无机盐

C．蛋白质

D．脂肪

西方发达国家职业道德的精华是（）

A.企业利益至上

B.种族和谐共处

C.诚信

D.创新

合成血红素的原料是( )

A．乙酰CoA、甘氨酸、Fe³⁺
B．琥珀酰CoA、甘氨酸、Fe²⁺
C．乙酰CoA、甘氨酸、Fe²⁺
D．丙氨酰CoA、组氨酸、Fe²⁺
E．草酰CoA、丙氨酸、Fe²⁺

从早产儿到足月儿脑电图背景活动的发育规律是（）。

A.交替型图形--非连续图形--连续性图形

B.单一节律发放--非连续图形--连续性图形

C.非连续图形--交替型图形--连续性图形

D.单一节律发放--非连续图形--交替型图形

E.单一节律发放--交替型图形--连续性图形