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【简答题】
Does eating a good breakfast improve school study? More than 1,000 students in the city of Lawrence took part in an experiment (试验) a year ago, and the answer is YES. In the experiment, students with breakfast got high scores in their tests than those without breakfast. Among those with breakfast, fewer were late for school and much fewer missed their school. “By eating breakfast, you feel active in your morning study and keep good health,” says Amy Sampson, a famous doctor. He did the experiment for a year. Students without breakfast may lose important nourishment (营养) in eggs, fruit, bread and so on. So try to get your kids to have breakfast so that they can feel well, keep strong and do their best in the school work. 根据短文内容,判断下列句子的正 (T) 与误 (F)。 小题1:Over 1,000 students took part in the experiment. 小题2:It’s good for students to have some eggs, fruit, milk, bread and so on for their breakfast. 小题3:The passage tells us that a good breakfast will help students to get more scores. 小题4:Amy Sampson did the experiment for two years. 小题5:The best title for this passage may be “Breakfast or Not”.
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【判断题】易燃、易爆物品要放在远离实验室的阴凉通风处,在实验室内保存的少量易燃易爆试剂要严格管理。( )
A.
正确
B.
错误
【单选题】关于无排卵性功血正确的是
A.
主要发生于青春期和更年期妇女
B.
无排卵功血最常见表现为停经后大量出血
C.
发生于青春期主要是由于无FSH高峰形成
D.
雌激素突破性出血都发生在低雌激素引起的闭经后
E.
发生于青春期是因为卵泡对LH感应性低下
【判断题】易燃、易爆物品要放在远离实验室的阴凉通风处,在实验室内保存的少量易燃易爆试剂要严格管理。
A.
正确
B.
错误
【单选题】晶体管特性图示仪的功耗限制电阻相当于晶体管放大电路的( )电阻。
A.
基极
B.
集电极
C.
限流
D.
降压
【多选题】下列属于托尔斯泰自传体小说三部曲的是()。
A.
《童年》
B.
《少年》
C.
《青年》
D.
《中年》
E.
《老年》
【判断题】托尔斯泰的自传体小说三部曲是《童年》、《少年》和《青年》。
A.
正确
B.
错误
【单选题】引起卵泡排卵最主要的因素是( )。
A.
血中LH水平急剧升高
B.
血中FSH水平急剧升高
C.
血中雌激素水平急剧升高
D.
血中孕激素水平急剧升
【判断题】液固色谱肯定为色谱中的气相色谱。
A.
正确
B.
错误
【单选题】引起卵泡排卵最主要的因素是
A.
血中雌激素水平急剧升高
B.
血中孕激素水平急剧升高
C.
血中FSH水平急剧升高
D.
血中LH水平急剧降低
E.
血中LH水平急剧升高
【简答题】托尔斯泰创作的自传体三部曲分别是《 》《 》《 》
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