問題詳情
31. Researchers found that sharks are predators at the top of the food chain. Over the sharks’ lifetimes, the highestconcentrations of toxic substances such as mercury, methylmercury, cadmium and arsenic ______in their bodies.
(A) accumulate
(B) accelerate
(C) decorate
(D) convey
(A) accumulate
(B) accelerate
(C) decorate
(D) convey
參考答案
答案:A
難度:適中0.56
書單:沒有書單,新增
內容推薦
- An honest person is faithful to his promise. Once he makes a ______, he will not break his own w
- Tropical rainforests are home to about one million plant and animal species. If the rainforests
- Many factors may explain why people are addicted to the Internet. One factor _____to this phenom
- The president’s speech will be broadcast _______ on television and radio so that more people can
- In bad weather conditions, you have to drive very ______ to avoid traffic accidents.(A) cautious
- The Internet has ______ newspapers as a medium of mass communication. It has become the main sou
- For the rescuers, the next step is determining the severity of the disaster and responding _____
- The water company inspects the pipelines and _____ the water supply regularly to ensure the safe
- According to environmental scientists, the Earth is likely to experience significant ______ chan
- In Taiwan, there are a lot of cameras which are ______ on the streets.(A) inventoried (B) intens
內容推薦
- The South China Sea has been subject to a series of disputes impacting ROC ______and legal right
- Recently, the Taipower Company submitted an application to Taiwan’s Atomic Energy Council (AEC)
- Most parts of Taiwan have access to sufficient supplies of fresh water for drinking. But fresh w
- Advocates of organic foods, a term whose meaning varies greatly, frequently proclaim that such p
- The ocean bottom, a region nearly 5 times greater than the total land area of the Earth, is a
- Hualien prosecutors on Tuesday morning applied to Hualien District Court for ______to detain the
- In the police station, weapons and ______ are stored in armory.(A) ammunition (B) amnesty (C) am
- ______ force is a troubling aspect of police misconduct, because it is not always easy to determ
- 觀察以下分數的排列規則: 、 、 ……,試求 出現在第幾項? (A) (B) (C) (D) 50。
- 下列有關「風力影響範圍與運用風力操船時應注意事項」之敘述,下列何者正確?(A) 船舶朝下風迴轉之迴旋圈比朝上風者為小 (B) 風力大於船速時,船舶朝上風側迴旋較為容易(C) 船舶在順風狀態下比頂
- 下列何者為運轉能力受限制者之船舶?(A) 正從事疏濬作業之船舶 (B) 帆船(C) 主機故障之船舶 (D) 舵機故障之船舶
- 船舶海上航行時,手操舵與自動舵之相互轉換,應如何進行方為正確?(A) 由當值舵工視海上能見度情況自行為之 (B) 由當值舵工視海上交通密度情況自行為之(C) 由當值航行員視海上情況監督舵工為之
- 船舶在寬度狹窄的運河或航道中,若未保持在航道中央而靠近岸邊航行時,將產生何種效應?(A) 淺水效應(Shallow Water Effect) (B) 岸壁效應(Bank/Wall Effect
- 船舶於近岸航行時,負責航行當值之航行員在能見度受限之情況下,應使用下列何種航海儀器定位為主?(A) 電子海圖 (B) 雷達 (C) 聲納 (D) GPS 衛星定位系統
- 某船由 33°30'N,170°W 起航,航行進入東半球,航程不超過 1500 浬,則該船經差的方向為何者?(A) 東 (B) 西 (C) 東、西均可 (D) 無法判斷
- 某船船速 18 節,頂流順風航行,流速 2 節,風使船增速 1 節,則 1 小時後船舶實際航程為(A) 19 節 (B)18 節 (C) 17 節 (D) 16 節
- 某船真航向 060°,該船舷角 330°處某物標的真方位為何者?(A) 030° (B) 060° (C) 270° (D) 390°
- 我船航向 000°,某船位於我船左舷 10°,距離 5 海裡,若該船航向為 200°,兩船均保持航向和航速,則 5分鐘後,該船位於我船舷角(圓周法度量):(A) 不確定 (B) 不變 (C)
- 某船配置單螺槳,螺槳露出水面之高度達螺槳直徑的四分之一,正俥時順時鐘方向(由船艉向船艏方向看)旋轉推進,船艏朝何方向偏轉?(A) 不確定 (B) 不變 (C) 左 (D) 右
- 下列關於舵效之敘述,何者為正確?(A) 快速航行時,舵效較差。 (B) 慢速航行時,舵效較差。(C) 與作用在舵面上的水流流速立方成正比。 (D) 載重量越大,舵效越大。
- 雷達螢幕上海浪干擾強弱與風向的關係為?(A) 上風舷強 (B) 上風舷弱 (C) 下風舷強 (D) 與風向無關
- 船舶減少自由液面影響的措施為何?(A) 減小液艙寬度 (B) 液艙應盡可能不裝滿 (C) 縱向隔艙要連通 (D) 減輕排水量
- 下列關於船舶穩度敘述,何者正確?(A) 穩定平衡(stable equilibrium):定傾中心在重心之下。(B) 不穩定平衡(unstable equilibrium):定傾中心在重心之上
- 在 GMDSS 系統中,地面之遠距離,船對岸及岸對船通信,係由何頻帶提供?(A) 中頻(MF) (B) 高頻(HF) (C) 特高頻(VHF) (D) 極高頻(SHF)
- 下列屬於必須申請施行船舶特別檢查的情形?(A) 換裝推進機器 (B) 遭遇海難 (C) 適航性發生疑義 (D) 船身有影響人命安全