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【单选题】
有的人吃了某种海鲜会腹痛.腹泻.呕吐,有的人吸入某种花粉便打喷嚏.鼻塞等,这些都是过敏反应症状。下列有关过敏反应的叙述,正确的是A.
过敏反应中既有 T细胞的参与，也有B细胞的参与
B.
过敏反应疾病是免疫系统功能过弱导致的疾病
C.
过敏反应中浆细胞产生的组织胺对毛细血管壁细胞通透性的调节属于体液调节
D.
过敏反应发生迅速，过敏原第一次进入机体即可导致机体出现过敏症状
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【单选题】What detail in the article shows that Fusarium moved around a lot?
A.
The fungus was found on about 432 acres
B.
They can stay in the dirt for years, Staver said.
C.
The fungus will not move around freely now, Staver said.
D.
This is not the first time this has happened.
【简答题】某同学甲设计了如下图1所示的实验验证质量守恒定律。 图1 图2 ⑴ 按上图1装配好仪器，检查装置的气密性的方法是 ； ⑵ 拔掉橡皮塞（注射器不要拔掉），装入足量石灰石，再用注射器吸入2mL的稀盐酸，注意盐酸不能多吸，原因是 ； ⑶ 再按图连接好装置，塞紧橡皮...
【单选题】下列表述中，正确的是( )。
A.
党员在留党察看期间没有表决权、选举权和被选举权
B.
党员在留党察看期间没有表决权，但有选举权和被选举权
C.
党员在留党察看期间有表决权，但没有选举权和被选举权
【单选题】What detail in the article shows how the hats stay on the birds' heads?
A.
They were wearing little cowboy hats.
B.
Glue was used to keep the hats on.
C.
He was trying to get the hat off, she said.
D.
Still, no one knows who put the hats on the birds.
【单选题】What detail in the article shows that rock music had a bad effect on ladybugs?
A.
He played loud music to ladybugs. He wanted to see what they would do.
B.
Ladybugs eat aphids. Aphids are smaller bugs.
C.
Then they would eat fewer aphids. Then the crops would not grow well.
D.
Rock music is not usually played loudly in a farm field.
【单选题】What detail in the article shows what scientists learned about the ocean by following the seals wearing sensors?
A.
They know seals are great swimmers.
B.
They know currents send heat deep into the sea.
C.
Scientists found out heat goes up, too.
D.
Ms. Siegelman said seals go deep even while sleeping.
【单选题】What detail in the article shows how a concussion can affect a person?
A.
He has also had a concussion.
B.
They also cause vomiting and trouble sleeping.
C.
Multiple concussions are even worse.
D.
Luck also hurt his leg and ankle this year.
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