請問第四題的D、第五題🙏🏻

40 波的頻率與折射波的頻率相同。 太陽表面在2017年9月接連發生一起被稱作「太陽閃焰」的大型爆發,規模為10年來最大。科學家預計爆發所噴出 的帶電粒子團兩天後抵達地球,撞擊大氣層後產生電磁波,以致影響通訊品質。已知太陽與地球距離約為1.5x1011 公 C尺,光速約為3.0x108公尺/秒。下列敘述哪些正確? 0 (A)電磁波並無繞射與干涉的現象(B)電磁波在空間傳播須以帶電粒子為介質 1.5×103 500 3x68 (C) 電磁波具有隨時間作週期性變動的電場與磁場D 帶電粒子團脫離太陽時的速率約為8.7×105 公尺 / 秒 (E)帶電粒子團撞擊地球大氣層之後約8分鐘,地球上才能觀測到太陽閃焰影像。 折射線 我們常在生活中聽到2.4G無線這樣的名詞,根據美國聯邦通訊委員會(Federal Communications Commission)所定義, 2.4G是指在ISM 頻段中,2.4~2.4835 GHz之間的頻率,完整名稱為 Industrial Scientific Medical Band,是預留給工業、 ·科學及醫療使用的免費頻率,沒有任何使用上的限制。依本文所言,下列敘述哪些正確?(光速c=3x108m/s) (A) 2.4G 中的最長波長約為12.5cm (B)頻率愈大者,其傳播速度愈快 (C)波長愈長者,其傳播速度愈快 (D)只能在地球上傳播(E)可以在太空中使用。 甘零件油左直空中的波長約為300奈米,下列有關此電磁波的敘述,哪些正確? 去完的頻率約為1015 赫茲

2.3.6求講解

1. (D) The old lady sat by the fireplace with her cat (D) 2. ( 13. to lying (C) to lie (D) lying ) The fishing boat moved slowly in the water at (B) in (C) for (D) with 3. (B) This castle appears quietly next to her. (A) lay (B) a large net floating behind it. (A) by dragons. (A) to attack (B) to be attacked (C) to have attacked (D) to have been attacked ) In this game, a person with his or her eyes (C) 4. ( has to spin around several times and then try to pin a tail onto a donkey. (A) cover (B) covering (C) covered (D) to cover a serious fight, but no one 5. (B) Before the accident happened, the couple seems knows the details. (A) having had (B) to have had (C) to have (D) was having Do. (a) Dave can't present the graphs and figures because he seems (A) left (B) leaving (C) to leave (D) to have left his laptop at home.

求解5.9.12

A gin -playground. (A)disappointed (B)disappoint (C)disappointing (D)to disappoint 感到失望的 令人失望的 Some people are concerned that once euthanasia is legalized, doctors would not make every effort patients' lives. (A)saving (B)save (C)to save (D)for saving The businessman donated () half of his fortune to charities, was very generous of

求解！

18 I left a message to my wife to tell her that I was about to go grocery shopping, and she needed anything from the store, she could call me anytime. (A) as if (B)what if (C)that if Dif Desperate and for no Amanda cried all night because her boyfriend decided to break un with har

求這兩題 我超難理解的 第四題為何✖️1/2呢

15 20 1 5 aln 18 18! 081 5113! 6.初音最近迷上手機遊戲 Candy Crush Saga,遊戲內共有6種形狀的糖果 ●,若5顆相同形狀的糖果連成一線可以形成一顆巧克力球。 今遊戲畫面如右圖,在遊戲進行中會從中間上方隨機落下3顆糖果到黑色 □□□ 方框中,在已知落下的3顆糖果不完全相同的條件下,試求落下的糖果可立即與旁邊4 ● 糖果形成巧克力球的機率為 之。 61 3/31 6×6=20 7.若A,B為獨立事件且P(4)=1 00 主題二 , P(B) = 1,試求P(A∩B)與P(A∩B) O 主題三) B²= 1-3= 7 A = 1-A d AL W15 = 3

想問這樣不行嗎🙇🏻‍♀️🙇🏻‍♀️

yo 3 2 5 3 過的機率分別為二、 乙 0.84 0.16-0.05 0.05 。 18. 如右圖,電路上有4個開關A、B、C、D,各開關電流通 A 4 3 6 5 ,且各開關彼此互不影響, 試求電流從L通過R的機率。 C 3 炒飯 ⇒ D • A → B → D ***5 @ C 7 D 7 + x 8 0 1 2 P = 八 B (A oc) # (人)文 眼 D R

求解第七題為何用ing

S B Cute animal; she's also a symbol of hope for her endangered species. 6. A. truthful C. forgetful # B7. to DA A. to splash C. splashing 8. A. Similar with C. Aside from C9. A. bring an end to C. make the most of 10. A. wildlife A₁ C. privacy B. adorable 可愛的 D. portable 輕便的 B. splashed D. has splashed B. Instead of D. Thanks to 避難所 B. seek refuge in D. reduce the need for I 閱讀能力測驗:閱讀理解 B. border D. consumer H 18

請問這題的C 要怎麼知道是不是均勻的

ANDRO ⑥ 附圖中為雙子葉木本植物的樹幹橫切面之局部 (多選) 放大圖,有關構成甲的細胞敘述,哪些正確? ↓質表 (A)是死細胞 (B)其細胞壁的成分是纖維素和果膠質 (C)細胞壁不均勻加厚 (D)是由形成層分裂所產生的次級構造

為什麼B是不正確的

下表显示了构成细胞的有机化合物及其组成元素。 根据下表,下列哪项说法是不正确的? 有机化合物 组成元素 C, H, O W ✗ C, H, O, N, P Y Z C, H, O, N, 有些包含P and S C, H, O, 有些包含N and P A. 甘蔗细胞壁主要由有机化合物W组成。 B. 细胞膜不含有机化合物X。 C. 有机化合物 Y 存在于人体细胞核中。 D. 叶绿体和线粒体含有有机化合物 Z。

求解😖請問為什麼19.是depend (然後遇到這種的通常要怎麼判斷😭 每次看到都不會判斷到底要用原型還是ving 還是ved ） 感謝🙏

第16至20題為題組 particles that hit Earth The sun is a huge, fiery globe of gas. Every now and then, it sends out massive waves of charged 16 speeds upwards of a million kilometers an hour. These charged particles interact with our magnetic northern and southern poles, 17 a breathtaking light show that enthralls all its viewers. These light shows are known as auroras. Since Earth's magnetic field is strongest at its poles, auroras because they occur at any appear most brightly near the North and South Pole. They are not 18 time of the year. Auroras appear as slowly moving curtains, bands, spots of color, and a variety of other shapes that shift across the sky. They can also exhibit more than one color at a time. The colors, ranging from purple to green, 19 on the altitude of oxygen and nitrogen penetrated by solar energy. The most common color on view is green because it is at lower altitudes and people can see green the easiest. Photographing the breathtaking auroras is not difficult, but photos don't do them auroras is something that needs to be experienced in person. At.-speed 16. (A) at 20. Viewing (B) by (C) in (D) from 17. (A) serving as (B) checking out 18. (A) regional (B) seasonal (C) reporting to (C) universal (D) resulting in (D) normal 19. (A) to depend (B) depend (C) depending 20. (A) harm (B) wonders (C) justice (D) dependent (D) favors 1104)