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【简答题】
Early one morning, an old woman was carrying a big basket of potatoes on her head to the market. She hoped to them to the people from town. The mountain road was narrow (窄的) and the old woman was walking , because she did not want to have and lose her potatoes. Suddenly she a loud bell, and a bicycle came round the corner. It passed her and went very fast the hill. The old woman had to jump to one side of the so quickly that the basket of potatoes nearly fell into the valley (山谷). She looked up and saw that a young boy was on the bicycle. He was on without even round to see whether the old woman was all right. The old woman began to shout, “Come back, young man! You dropped something!” When he heard this, the boy stopped the bicycle so suddenly that he nearly fell off. Then he turned and began to the bicycle back up to the hill. “What is it?” he asked, “What did I drop?” “Little boy,” the old woman answered, “you dropped your .” 小题1: A.send B.give C.sell D.take 小题2: A.careful B.carefully C.politely D.quiet 小题3: A.a match B.a rest C.an accident D.a talk 小题4: A.hit B.made C.found D.heard 小题5: A.down B.up C.to D.over 小题6: A.road B.street C.town D.hill 小题7: A.driving B.riding C.running D.walking 小题8: A.saw B.watched C.looking D.found 小题9: A.carry B.catch C.give D.push 小题10: A.fruit B.potatoes C.manners (礼貌) D.bicycles
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参考答案:
举一反三
【单选题】在提高50米跑的练习方法中,以下哪种练习方法是增大步幅的练习方法
A.
弓箭步走
B.
小步跑
C.
交叉步跑
D.
高抬腿
【多选题】提高练习的方法()
A.
脚前掌走
B.
脚跟走
C.
倒退走
D.
绕臂徒手走
E.
背持竿走
【判断题】在任何一个随机交配的大群体内,不论初始状态的基因型频率如何,只要经过一代的随机交配,所有的基因就会达到平衡状态。
A.
正确
B.
错误
【判断题】在任何一个随机交配的大群体内,一对常染色体上的基因控制的性状,不论初始状态的基因型频率如何,只要经过一代的随机交配,所有的基因就会达到平衡状态。
A.
正确
B.
错误
【判断题】提高耐力素质的训练方法有持续练习法、间歇练习法、重复练习法、循环练习法等。
A.
正确
B.
错误
【简答题】请完成数据库题库项目J2-10的三个任务? (注意:作业提交不要用附件,格式要清晰明了)
【单选题】回力卡环有应力中断作用,主要是由于
A.
连接体位于卡臂尖端
B.
力通过基牙长轴传导
C.
支托与基托不直接连接
D.
支托在基牙上的位置正确
E.
颊臂弹性好
【单选题】在提高50米跑的练习方法中,以下哪种练习方法是增大步幅的练习方法
A.
弓箭步走
B.
交叉步跑
C.
小步跑
D.
高抬腿
【简答题】在随机交配的大群体内,___________和___________在没有迁移、突变和选择的理想条件下,世代相传保持不变。这一定律被称为哈代-温伯格定律,也称为遗传平衡定律。
【判断题】在任何一个随机交配的大群体内,不论初始状态的基因型频率如何,只要经过一代的随机交配,常染色体上的基因就会达到平衡状态。( )
A.
正确
B.
错误
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