資訊推薦

• 19.若二次函數　y＝x2＋6x＋k　的最小值為　3，則　k＝？　(A) 12 (B) 6 (C) 3 (D) －6。
• 20.已知某二次函數的頂點為(0,－7)，且通過(2 , 2)，求此二次函數為何？(A) y＝ x2－7　 (B) y＝－ x2－7　 (C) y＝－ x2＋16　 (D) y＝ (x＋7)2
• 21.如右圖，在地面上朝斜前方射出一支水火箭，離發射點x公尺處時的高度為y公尺。如果x與y的關係式為y＝－x2＋6x，則這支水火箭在離發射點多遠的地方落地？ (A) 3 (B) 4 (C) 6 　(D
• 22.新型冠狀病毒席捲全球，調查發現開始傳染第x週，感染人數達y人，已知x與y的關係式為y＝100＋5000x－250x2。請問本次新型冠狀病毒在第幾週感染的人數會達到最多？(A)第5週 　(B)第1
• 23.已知有一個側面為拋物線，內部最深為6公分的碗，及一個邊長為4公分的正立方體(如立體圖)；今將正立方體放入碗內，恰使正立方體的頂面與碗的開口面相切齊(如剖面圖)。試問開口a之值為何？ (A)2
• 2.This dog is as 　　　 as the cat.(A) very big(B) bigger(C)biggest (D) big
• 3.Cathy finished her math homework by 　　　.(A) herself(B) myself(C) her (D) hers
• 4.John watched his classmates 　　　 at the party.(A) to dance(B) dances(C) dance(D) danced
• 5.Joyce is good at singing. She has a good chance　　　 the first prize on the TV show this year.(A) wi
• 6.Ms. Lin is the 　　　 woman in town. No one has more money than 　　　.(A) rich； himself(B) richer； her(
• 7.Paul’s grades are not as 　　　 as 　　　 because he seldom studies.(A) good； Alice’s(B) good； Alice(C)
• 8.Jacky is the tallest student in my class. He is 　　　.(A) taller than any other classmates(B) taller
• 9.A: You looked 　　　. What happened?B: Oh, I was watching a boy 　　　 acrossthe street.(A) worry； walk(
• 10. 　　　 of people waited outside the door before the store opened.(A) A million (B) Million(C) A mil
• 1.A: I can’t win the prize tomorrow.B: 　　　 You can do it. You are the best.(A) Believe in yourself.(
• 2.A: Eddie fell from his bike and hurt his head. Now he is in the hospital.B: 　　　 How is he now? Is
• 3.A: You don’t look good. 　　　  B: Nothing. I just feel very tired because I didn’t getenough sleep l
• 4.A: Why is Helen so angry with you?B: 　　　 I put too many candles on her birthdaycake.(A) I have no
• 5.A: Do we need to buy a flashlight and some candles?B: Let me see. 　　　(A) Yes, I am good at storing
• 【題組】2. (A) you’re too shy to talk with people(B) you just don’t want to be like others(C) you don’t
• 【題組】3.Look through the article quickly. What’s its genre? (體裁)(A) A letter. (B) An ad(廣告). (C) A poe
• 【題組】4 How many names can you find in the article ?(A)1 (B) 2 (C) 3 (D) 4
• 【題組】5.What does Jasmine want herself to look like?(A) A beautiful woman like an actress　(B) A beauti
• 【題組】6. What does “Until you understand this refer to?(A)People like you not because of your face but
• 【題組】8. What does not Chinese language use?(A)Letters (B) Characters (C) Symbols(D)We don’t know.