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【简答题】
用括号里单词的正确形式填空。 I am ______(act) in the school musical next month. My parents ______ (think) i'm not studying hard enough. The new computer lab _____ (look) great! It's very noisy because the neighbours _____(have ) a party. In schools subjects like Film studies _______ (become) more popular. At the moment, some students ______ (sweep ) the classrooms. The Brit School is the only state school for ______ (perform) arts in Britain. Some people think girls _____ (do) better than boys in exams. When I was young, schools were _____ (compete). I am reading a famous detective novel but I ______ (not like )it.
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【单选题】I am interested in you have told me .
A.
which
B.
all that
C.
all what
D.
that
【多选题】可用于解救氰化物中毒的特殊解毒 剂是 ( )
A.
亚甲兰
B.
谷胱甘肽
C.
亚硝酸钠
D.
硫代硫酸钠
E.
二巯基丙醇
【单选题】可用于解救一氧化碳中毒的是()。
A.
亚甲蓝
B.
亚硝酸钠
C.
氯解磷定
D.
谷光甘肽
E.
双解磷
【简答题】工业用盐亚硝酸钠是一种有咸味、易溶于水的白色固体,有毒.水溶液呈碱性,亚硝酸钠能将Fe 2+ 转化为Fe 3+ .请回答以下问题: (1)亚硝酸钠(NaNO 2 )所属类别是______; (2)下列方法中,能用来区别NaNO 2 与NaCl固体的是______; A.观察颜色B.品尝味道C.用水溶解D.测试两溶液pH值 (3)人体正常的血红蛋白中含Fe 2+ .若误食亚硝酸钠,就会导致血红蛋白中...
【单选题】I am slow to _____.
A.
express my opinion
B.
express my viewing
C.
make my views
D.
make my opinion
【简答题】I . Fill in the missing words according to the sentences. 1. Excuse me, where is the l _________? I need to borrow some books. 2. I am late for work today because of the t_____ jam. 3. Buses are cheap...
【简答题】随着科技的进步,食品防腐技术在不断发展.亚硝酸钠(NaNO 2 )是一种常用的防腐剂. 【查阅资料】:亚硝酸钠是一种淡黄色或白色晶体,有咸味,易溶于水,其水溶液呈碱性,在320℃时能分解产生有刺激性气味的气体.有毒,能将人体血红蛋白中的Fe 2+ 转化为Fe 3+ 失去携氧能力. 结合资料回答问题: (1)测定亚硝酸钠溶液的酸碱度常用______. (2)设计实验探究:亚硝酸钠溶液能将Fe 2+ ...
【单选题】下列药物中,可用于亚硝酸盐中毒解救的是( )
A.
亚甲蓝
B.
硫代硫酸钠
C.
亚硝酸钠
D.
氟马西尼
E.
纳洛酮
【多选题】可用于解救氰化物中毒的特殊解毒剂是
A.
亚甲蓝
B.
谷胱甘肽
C.
亚硝酸钠
D.
硫代硫酸钠
E.
二巯基丙醇
【单选题】亚硝酸钠+硫代硫酸钠可用于解救
A.
亚硝酸钠中毒
B.
氰化物中毒
C.
铅中毒
D.
地西泮中毒
E.
抗抑郁药中毒
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