兔子吃草,人吃兔子,由此可以看出,人所获得的能量归根到底来源于( ) A.草 B

题型:选择题

问题:

兔子吃草,人吃兔子,由此可以看出,人所获得的能量归根到底来源于(  )

A.草

B.兔子

C.人类创造

D.光

考点:食物链和食物网
题型:选择题

补全对话(共5小题,每小题2分,满分10分)

根据语境,用恰当的语言完成对话。

—Excuse me. Who is your best pen pal, Jack?

—I have many pen pals. Mary is my favorite?

—1_________________________________

—She is very beautiful, and she has long curly blond hair.

—2__________________________________

—She comes from the USA.

—3____________________

—She speaks English and Chinese. And she speaks Chinese very well.

—Really? How great! Is she a student?

—Sure. We are studying in the same grade, grade eight.

—4. ______________________

—She says she wants to be a teacher. And she wants to work in China as an

English teacher.

—Maybe she can help me a lot with my English. Today it is very hot.

5.___________________

— I think it is not hot in USA. Mary often tells me it is warm there.

—Thank you for telling me so much about your pen pal.

—You are welcome.

题型:选择题

合成脂肪酸的乙酰CoA主要来自

A.糖的分解代谢

B.生酮氨基酸的分解代谢

C.胆固醇的分解代谢

D.脂肪酸的分解代谢

E.生糖氨基酸的分解代谢

题型:选择题

腹部泌尿系平片(KUB)影像细节显示指标为

A.1.0mm钙化点

B.1.5mm钙化点

C.2.0mm钙化点

D.2.5mm钙化点

E.3.0mm钙化点

题型:选择题

喇叭不响的故障通过调整喇叭的音量可以解决。

题型:选择题

汽油的辛烷值是表示汽油()的指标。

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