某小组研究干旱对玉米叶片内生长素和脱落酸浓度的影响,数据见图,据图分析可以得出的初步

题型:单项选择题

问题:

某小组研究干旱对玉米叶片内生长素和脱落酸浓度的影响,数据见图,据图分析可以得出的初步结论是()

A.干旱对玉米叶片中的脱落酸影响远远大于对生长素的影响

B.干旱对玉米叶片中的生长素影响远远大于对脱落酸的影响

C.随着干旱时间延长,玉米叶片内的生长素浓度减少量越来越多

D.随着干旱时间延长,玉米叶片内的脱落酸浓度越来越大

考点:高中生物植物激素调节植物激素调节题库
题型:单项选择题

儿童神经心理发育的筛查方法中

图片词汇测试适用于()

A.5~7岁

B.6~9岁

C.4~9岁

D.10~18岁

E.8~12岁

题型:单项选择题
It was a bitter,   36 evening in northern Virginia. The old man’s beard was   37  by winter’s frost (霜)while he waited for a ride across the river. The wait seemed endless. Then he heard the weak sound of hooves(马蹄) advancing along the frozen path.   38  , he watched as several horsemen rounded the bend. He let the first one pass by, then another. As  39 rider drew near where the old man sat, the old man   40  the rider’s eye and said, “Sir, would you mind giving an old man a ride to the other side of the river?”
Reining(勒住) his horse, the rider replied, “Sure thing.” Seeing the old man unable to   41  his half-frozen body from the ground, the horseman helped the old man onto the horse and took him to his   42 . On the way, the horseman said: “Sir, I notice that you let several other riders pass by. I'm   43  why, on such a bitter winter night, you would wait and ask the last rider.”
The old man looked at the rider and replied, “I know people pretty good. When I   44  the eyes of the other riders, I immediately saw there was no   45  for my situation. But when I looked into yours, kindness and compassion(同情) were obvious. I knew that your gentle spirit would give me help in my time of   46  .”
Those heart-warming comments   47  the horseman deeply. “I'm most grateful for what you have said,” he told the old man. “May I never get too busy in my own affairs that I fail to respond to the needs of others with kindness and compassion.”
小题1:
A.warmB.coolC.coldD.windy
小题2:
A.markedB.coveredC.equippedD.filled
小题3:
A.HappilyB.AnxiouslyC.AppreciativelyD.Confidently
小题4:
A.the secondB.the thirdC.the fourthD.the last
小题5:
A.staredB.lookedC.caughtD.attracted
小题6:
A.liftB.carryC.riseD.jump
小题7:
A.homeB.companyC.destinationD.office
小题8:
A.afraidB.excitedC.delightedD.curious
小题9:
A.got intoB.ran intoC.looked intoD.broke into
小题10:
A.concernB.worryC.envyD.doubt
小题11:
A.troubleB.needC.dangerD.difficulty
小题12:
A.amazedB.promotedC.touchedD.benefited
题型:单项选择题

龙胆苦苷是()

A.环烯醚萜苷类化合物

B.二萜类化合物

C.肽类化合物

D.有机酸类化合物

E.倍半萜类化合物

题型:单项选择题

精神分裂症的病程()

A.缓慢或急性起病,病程迁延,有慢性化倾向和衰退的趋势,部分可痊愈或基本痊愈

B.急性起病,病程短暂,能完全痊愈

C.急性起病,病程迁延,部分患者有慢性化倾向和衰退的可能

D.缓慢起病,病程迁延,肯定会慢性化和衰退,无痊愈的可能

E.急性起病,病程迁延,均能完全康复

题型:单项选择题

中国当代儿童文学作家董宏猷创作了一部梦幻体形式的小说,真实地反映了中国当代孩子的生存状态、人生意识、深层心理。这部作品是()。

A.《一个孩子的梦》

B.《一百个中国孩子的梦》

C.《幻想家》

D.《鱼幻》

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