用下图表示的一些物质或概念之间的从属或包含关系中不正确的是 [ ]X Y Z 例

题型:选择题

问题:

用下图表示的一些物质或概念之间的从属或包含关系中不正确的是

[ ]

Y
氧化物化合物纯净物
A.芳香烃有机化合物
B.溶液分散系混合物
C.强电解质电解质化合物
D.置换反应氧化还原反应离子反应
考点:物质的简单分类离子反应电解质、非电解质
题型:选择题

It is John’s birthday today. He is five years old. He gets many birthday presents from his family and one of them is a nice big drum .

“Who gives him that drum?” his father asks.

“His grandfather,” answers John’s mother.

John likes his drum very much. He makes a terrible noise  with it, but his  mother doesn’t say anything about it. His father is not at home. He is working in a school. So he  doesn’t hear  the noise. But one of the neighbors does not like the noise. So one morning she takes a knife and goes into John’s room. John is making a noise with the drum. She says to him, “Hello, John. Do you know there is something very nice in your drum? Here’s a knife. Open the drum and you can  find it.” “OK.”

小题1:How old is John?

A.5

B.4

C.15

D.2小题2:Who gives John the drum as his birthday present?

A.His father.

B.His neighbour.

C.His mother.

D.His grandfather小题3:What present is John’s favourite?

A.The candy.

B.The present.

C.The drum.

D.The knife小题4:What’s John’s father’s job?

A.A doctor.

B.A worker.

C.A teacher.

D.A engineer小题5:Who opens the drum with the knife?

A.John’s father.

B.John’s neighbour.

C.John’s mother.

D.John

题型:选择题

单核细胞直方图的范围在()

A.2~30fl

B.30~35fl

C.35~90fl

D.90~160fl

E.160fl以上

题型:选择题

有机酸类,生物碱类药,酸、碱常量法准确测定的限度一般是

A.pKa<7

B.pKb<7

C.pKa<8~10

D.pKb<8~10

E.A+B

题型:选择题

甲为16周岁公民,背书转让一汇票于乙,乙又背书转让,最后持票人丙提示承兑被拒绝后,向甲追索,甲的哪些主张可构成抗辩(拒绝支付)()。

A、甲为限制民事行为能力人,其签章无效,不负票据责任。

B、甲不是付款人,无付款责任。

C、乙尚欠甲债务未归还。

D、甲、乙间授受票据时所依据的买卖合同归于无效,甲、乙间转让票据的行为归于无效,因而甲不是票据债务人。

题型:选择题

电极系引线导通良好,热水浸泡后其绝缘不应低于50MΩ。()

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