造成气候变暖的主要原因是人类生产活动中排放大量的温室气体()。
A.二氧化硫
B.一氧化碳
C.二氧化碳
D.一氧化氮
参考答案:C
第二节:完成句子(每空1分,共5小题,满分20分)
小题1:You should be more careful next time,” his father said to him. (改为间接引语)
________ ________ told him that ________ should be more careful _________ _________ _________.
小题2:我明天将什么东西也不做。(用进行时表将来时)
_________ _________ _________ _________ anything tomorrow.
小题3:说服我去参加运动会的是我的好朋友.(强调句)
_________ _________ my good friend who _________ me to take part in the sports meeting.
小题4:失去家园的人的数量多达25万。
The number of people ____________ ____________ _____________ reached 250,000.
小题5:那个在地震中腿断了的女孩被带到了附近的一家医院。
The girl _________ _________ was broken in the earthquake was ___________ _____________ a nearby hospital.
冬天某人进入浴室后不久便突然晕倒,其血流动力学的始动因素是()
A.全身血管收缩
B.心输出量减少
C.容量血管舒张
D.血流速度加速
E.血量减少