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(guān)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(biāo)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(guān)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(guān)單詞解釋
pursue:v.追捕,追求,繼續(xù)從事
trace:n. 蹤跡,痕跡;vt. 跟蹤,追蹤;追溯,探索;臨摹
switch:n. 開關(guān),突然轉(zhuǎn)變;v. 改變,交換
follow:vt. 跟隨,追趕,沿著…前進(jìn),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(guān)單詞解釋
devote:vt. 將…奉獻(xiàn)(給),致力于
composition: n. 作文,著作,組織
compound:n. 混合物,復(fù)合字;a. 復(fù)合的,混合的,合成
percent: n. 百分比,百分?jǐn)?shù)
proportion:n. 比例,率,份兒,部分,均衡,調(diào)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(guān)單詞解釋
increasingly:ad. 日益地,愈加地
consequence:n. 結(jié)果,后果
boost:n. 推進(jìn),支援;v. 推進(jìn),提高
burden:n.重負(fù),負(fù)荷;重?fù)?dān)v.使負(fù)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(tǒng)治,控制,高出于,居高臨下;vi. 居支配地位,處于最重要的地位
答案及解析
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