評論
打印
1,Lung cancer, like some other cancers, often doesn’t produce ________ until it is too late and has spread beyond the chest to the brain, liver or bones.
A) trails B) therapies
C) symptoms D) symbols
題目相關單詞解釋
trail:n. 蹤跡,小徑,尾;v. 拖,尾隨,追蹤
therapy:n. 治療
symptom:n. 病癥，癥候，征兆，表征
symbol:n. 象征，符號，標志
2,With the increasing unemployment rate, workers who are 50 to 60 years old are usually the first to be ________.
A) laid off B) laid aside
C) laid out D) laid up
題目相關單詞解釋
lay off:解雇;停止做
lay aside:把...擱置一旁;儲存
lay out:安排,布置;擺出,展開
lay up:使臥床不起
3,The physical differences between men and women can be ________ directly to our basic roles as hunters and child-bearers.
A) pursued B) traced
C) switched D) followed
題目相關單詞解釋
pursue:v.追捕,追求,繼續從事
trace:n. 蹤跡，痕跡;vt. 跟蹤，追蹤;追溯,探索;臨摹
switch:n. 開關，突然轉變;v. 改變，交換
follow:vt. 跟隨，追趕，沿著…前進，仿效;vi. 跟隨，緊接
4,It is clear that the dog has a much greater ________ of its brain devoted to smell than is the case with humans.
A) composition B) compound
C) percent D) proportion
題目相關單詞解釋
devote:vt. 將…奉獻(給)，致力于
composition: n. 作文,著作,組織
compound:n. 混合物,復合字;a. 復合的,混合的,合成
percent: n. 百分比,百分數
proportion:n. 比例，率，份兒，部分，均衡，調和;vt. 使成比例，使均衡
5,American college students are increasingly ________ with credit card debt and the consequences can be rather serious.
A) boosted B) burdened
C) discharged D) dominated
題目相關單詞解釋
increasingly:ad. 日益地，愈加地
consequence:n. 結果，后果
boost:n. 推進,支援;v. 推進,提高
burden:n.重負,負荷;重擔v.使負重,裝載;加重壓于,煩擾
discharge:v. & n. 排出，放出，允許…離開，釋放，放電
dominate:vt. 支配的，統治，控制，高出于，居高臨下;vi. 居支配地位，處于最重要的地位
