下列化肥中从外观上即可与其他化肥区别的是( ) A.尿素 B.硫酸钾 C.氯化钾

题型:选择题

问题:

下列化肥中从外观上即可与其他化肥区别的是(  )

A.尿素

B.硫酸钾

C.氯化钾

D.磷矿粉

考点:化肥物质的鉴别
题型:选择题

在平坦的草原上有A、B、C、三个小球,若已知A球和B球相距3米,A球和C球相距1米,则B球和C球可能相距(    )米。(球的半径忽略不计,只要求填一个符合要求的数 )

题型:选择题

重庆万州,山清水秀,保护环境,人人有责。下列做法中,不利于环境保护的是 (  )。

A.工业废水处理达标后排放

B.严禁麦收后焚烧小麦秸秆

C.生活垃圾分类处理

D.欢度春节时大量燃放烟花爆竹

题型:选择题

脊髓空洞症的感觉障碍常常是()

A.神经干型

B.末梢型

C.分离型

D.后根型

E.脊髓横贯型

题型:选择题

应被淘汰的内壁涂料是()。

A.溶剂挥干成膜涂料

B.高温液化涂料

C.加固化剂交联成膜树脂

D.氧化成膜树脂

E.高分子乳液涂料

题型:选择题

Valentine’s Day was the time my father chose to show his love for the special people in his life. Over the years I fondly thought (31) him as my "Valentine man".

My first recollection of the magic he could bring to Valentine’s Day came when I was six. That morning at the breakfast table I found a card and a gift-wrapped package at my chair. The card was (32) "Love, Dad" and the gift was a ring with a small piece of red glass to represent my birthstone, a ruby.There is (33) difference between red glass and rubies to a child of six, and I remember wearing that ring with pride that all the cards in the world (34) not surpass.

As I grew older, the gifts gave (35) to heart-shaped boxes filled with my favorite chocolate and always included a (36) card signed "Love,Dad". In those years my thank-you became more of a perfunctory response. The cards seemed less (37) , and I took for granted that the Valentine would always be there. I had (38) my hopes and dreams in receiving cards and gifts from "significant others" and "Love, Dad" just didn’t seem quite enough.His final card remains on my desk today. It’s a (39) of how special fathers ean be and how important it has been to me over the years to know that I had a father who continued a tradition of love with simple acts of understanding and an ability to express happiness over the people in his life.Those things never (40) , nor does the memory of a man who never tried being my Valentine.

31()。

A. of

B. about

C. up

D. over

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