題庫堂
檢索
題庫堂
首頁
數學
英文學習
政治學
統計學
經濟學
藥理學
中醫藥物學
財政學
法學知識
公共行政
警察學
BI規劃師
財務管理
公共衛生學
工程經濟學
電力電子學
當前位置:
首頁
16.若函數f(x)=5x2+4x+1在x=a時有極小值b,則a+2b=?(A) (B)0 (C) (D) 1
問題詳情
16.若函數f(x)=5x2+4x+1在x=a時有極小值b,則a+2b=?
(A)
(B)0
(C)
(D) 1
參考答案
答案:B
難度:
計算中
-1
書單:
沒有書單,新增
上一篇 :
17. Americans always hold a _____ on July 4th.(A) show off(B) parade(C) treat(D) trick
下一篇 :
11.鈦金屬質堅量輕,用途廣泛。在高溫下,使四氯化鈦氣體與熔融鎂反應可製得鈦,其反應式為:TiCI4 + Mg→Ti + MgCl2 (尚未平衡)。今取190公克四氯化鈦與72.9公克鎂反應製得24公
資訊推薦
12.(甲)辛烷值表示汽油震爆程度;(乙)正庚烷之辛烷值=0;異辛烷之辛烷值=100 ;(丙)95 無鉛汽油中的95是指汽油的平均分子量;(丁) 95無鉛汽油中,異辛烷的體積占95% ;(戊) 無鉛汽
15.中國依勢型態分為三級梯,其分布如附圖所示。請問:圖中的第一級階梯內,主要以哪一種地形為主? (A)高原(B)丘陵(C)臺地 (D)平原
18. Jane often had a fight with her husband. That’s why they decided to _____.(A) excellent(B) make
19. The Meinong Hakka Cultural Museum has a lot of _______ about Hakka culture. This has helped me a
20. Picasso is a very _____ artist. He developed (發展) the wide variety (多樣化) of styles (風格).(A) bori
21. Janet _____ next month. Have you decided on the wedding gift?(A) is getting married(B) has marri
22. I’ve lived in Taipei ________.(A) when I was little(B) from 2017(C) since I am born(D) for over
23. Fiona is excited about the trip to France because ______.(A) she hasn’t gone to Europe yet(B) sh
24. A: There aren’t any notebooks in the study room, ______?B: No, please get two on your way home.(
25. A: Your sister made those T-shirts by herself, ______?B: I’m not sure.(A) isn’t she(B) wasn’t sh
26. A: Being a mother of four boys isn’t easy, _____?B: It’s hard work. I’m exhausted (精疲力竭) every d
27. A: Joanna seldom has snacks between meals, _____?B: Yes, and she always has dinner before 7:00 p
28. Ms. Lin is ______ in history. She tells me a lot of ______ historical (歷史的) stories.(A) interest
29. A: We have to sort the trash to save the earth, _____? B: Sorting the trash helps reduce the amo
30. A: _____ you watched the movie?B: Three times already. It’s quite an excellent work of art.(A) H
31. A: Why don’t you ask Emma out to dinner?B: __________(A) I can’t make sense of it. (B) I can’t h
III. 克漏字題組。16%Part A for Q32~35Brad: Do you have any plans for the Lantern Festival? Jolie: Not yet
【題組】33.(A) Just to play it safe, look behind you.(B) Just come and enjoy yourself.(C) You’d better m
【題組】34.(A) angle(B) yard(C) inch(D) circle
【題組】35.(A) The kids will be excited about this plan.(B) No one gets boring with the activity.(C) Eve
Part B for Q36~39 Peter Wohlleben works in a forest in Germany. His job is to take care of trees. At
【題組】37.(A) Believe it or not (B) To his surprise(C)So far so good(D) With pleasure
【題組】38.(A) Soon he found out why this piece of wood was still living(B) He called several words to h
【題組】39.(A) but had no idea what to do with the trees(B) and started to come up with all sorts of que
IV. 閱讀測驗題組。6% Part A for Q40~42 Ethan: Hi, Amy. Amy: Hi, Ethan. What are you doing here? Ethan: This