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【单选题】
兴奋性递质与突触后膜受体结合,主要使后膜对下列( )离子通透性增高
A.
钙离子
B.
钾离子
C.
钠离子
D.
氯离子
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【判断题】“宁夏五宝”指的是:红宝枸杞、黄宝甘草、蓝宝贺兰砚、白宝滩羊二毛皮、黑宝发菜。
A.
正确
B.
错误
【判断题】“宁夏五宝”指的是:红宝枸杞、黄宝甘草、蓝宝贺兰砚、白宝滩羊二毛皮、黑宝发菜。
A.
正确
B.
错误
【单选题】Questions 16 to 18 are based on the passage you have just heard.
A.
Watching TV at home.
B.
Meeting people.
C.
Drinking coffee.
D.
Trying new foods
【单选题】宁夏“五宝”因五种颜色而得名,其中的“蓝”指的是( )。
A.
甘草
B.
滩羊皮
C.
贺兰石
D.
太西煤
【单选题】Questions 16 to 18 are based on the passage you have just heard.
A.
Because he had run out of gas.
B.
Because his tires were stabbed.
C.
Because he had heard a noise.
D.
Because he was attracted by Mrs. Jones.
【简答题】谵语 名词解释
【多选题】以下情景,蜜蜂聚集 、秋蝉鸣叫、萤火虫发光、蚂蚁碰触角,主要蕴含的昆虫通讯方式为()
A.
触觉通讯
B.
视觉通讯
C.
听觉通讯
D.
化学通讯
【单选题】Questions 16 to 18 are based on the passage you have just heard.
A.
They are larger than many other species.
B.
They can cause damage to people’s homes.
C.
They can survive a long time without water.
D.
They like to form colonies in electrical units.
【单选题】Questions 16 to 18 are based on the passage you have just heard.
A.
They are now a tourist destination.
B.
They attract a lot of migrating birds.
C.
They provide shelter for the farmers.
D.
They make good fields for farming.
【简答题】结束语 名词解释
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