問題詳情
31.一對囓合的漸開線齒輪，其接觸點的軌跡為：
(A)直線
(B)拋物線
(C)雙曲線
(D)螺旋線
(A)直線
(B)拋物線
(C)雙曲線
(D)螺旋線
參考答案
答案：A
難度：適中0.530249
統計：A(149),B(54),C(45),D(33),E(0)
內容推薦
- 有關剛性路面之敘述，下列何者錯誤？(A)路面無彈性，車輛行駛易震動(B)水密性強(C)不需要伸縮縫與施工縫(D)摩擦力較大，提高行車安全
- Chinese is a ____ language for people to learn.(A)minor (B)mean (C) back (D)difficult
- (A) stands (B) surfs (C) looks (D) searchs
- It____Joe two hours to do homework. (A) took (B)cost (C)made (D) spent
- According to the article, which is true about Kobayashi Takeru and Joey Chestnut?(A) Kobayas
- 若以斷層兩側岩層所發生的相對移動為斷層的分類依據，則當斷層的上盤沿著斷面對下盤相對的向下順勢下滑移動者，稱為：(A)平移斷層 (B)摺曲斷層 (C)正斷層 (D)逆斷層
- There’s no need to ____, Hubert. I can hear you clearly.(A)happen (B)shout (C)cut (D)open
- (A) how (B) when (C) what (D) while
- 在 CNS 規範中，三角皮帶之夾角為：(A) 30° (B) 40° (C) 36° (D) 34°
- 四、閱讀測驗: Every year, on July 4, the international "Nathan's Hot Dog Eating Contest"
內容推薦
- Bill ____ the piano with Ms. Martin every Friday evening.(A)studies (B)enters (C) cuts (D)rings
- Many people____online instead of store. (A)surf (B)post (C)shop (D)invite
- According to the article, what can we learn about the racing time?(A) It was 12 minutes in 2
- Fast food is popular ____ young people. (A)for (B)into (C)at (D) wtih
- (A) for (B) into (C) with (D) at
- A:Can you ____with my homework?B:Sorry! I am no good at history.(A)help me out(B)pick me up (C) l
- Don't be ____. Take it easy. (A)types (B)nervous (C)products (D)posts
- Which of the following is true about the article?(A) Kobayashi ate the least 50 dogs in 2008
- It ____200 dollars. (A)takes (B)costs (C)leaves (D) spends
- (A) dairy (B) daily (C) diary (D) dialysis
- 如【圖50】所示，電路之功率因數爲多少？ (A)0.5(B)0.6(C) 0.75(D) 0.8
- Terry often____photos on the board. (A)posts (B)products (C)purposes (D)nervous
- 下列有關唐代近體詩的說明，何者錯誤？ (A)絕句四句，律詩八句，皆有五言及七言 (B)詩仙是李白，詩聖是杜甫，二人皆是盛唐代表 (C)中唐代表有社會寫實的韓愈、柳宗元 (D)中唐代表則有新樂府運動
- Though he is poor, ____ he is kind. (A)不填 (B)but (C)and (D) so
- (A) daily (B) dairy (C) dialysis (D) diary
- I am ____ in London with my brother at the moment.(A)counting (B)enjoying (C)living (D)growing
- 某水力發電廠發電機之發電頻率爲60赫芝，每分鐘轉速爲300轉，則此發電機之極數爲： (A)4(B)6(C)12(D)24
- Terry doesn't know ____ (A) to log on how to the Internet bank. (B) how to log on to the In
- (A) to share (B) showing (C) shared (D) show
- Learn from your ____. Try not to make the same one twice.(A)corners (B)governments (C)pages (D)mi
- —交流電路，電源電壓V(t) = 200sin(377t+60°)，電路電流i(t) = 10sin(377t+30°),則此電路之視在功率S爲多少伏安？(A) 500(B) 1000(C)10
- (A) at (B) with (C) into (D) for
- ____ your hands before you sit down for dinner.(A)Clean (B)Understand (C)Carry (D)Sail
- 某工廠負載爲480 KW，功率因數爲0.6滯後，現欲並聯電容器將功率因數提升到0.8，則所需電容器的容量爲： (A) 120 KVAR(B) 200 KVAR(C) 280 KVAR(D) 32
- Sally was ____ cold, so I gave her my jacket to wear.(A)less (B)little (C)a bit (D)much