英语词汇-请问这个选哪个?A high ____ of protein in the blood can be a serious health problem.intensity/density/level/extent

英语词汇-请问这个选哪个?A high ____ of protein in the blood can be a serious health problem.intensity/density/level/extent Miss Brown can jump over the wall which is ____.A.six-feet-high B.six-foot-highC.six foot high D.six feet high请问英语达人,该题应该选哪个答案?为什么?而six feet high和six-foot-high区别又是什么呢? 英语词汇-请问这个选哪个?She is quite positive about the _____ of the potential market of the new invention.outline/outlook/outlet/output答案给的是outlook 固然对但是我怎么觉得output（产量）也行? 请教一道托业英语词汇语法题Although he__mentioned the introduction of that product,his remark still has a profound effect on his fellows.A) onceB) besidesC) stillD) yet请问应该选哪个?为什么? 英语词汇题,选哪个before he started work,i asked the builder to give me an ( )of the cost of repairing the roof.a.assessment b estimate.estimate 也是这个意思吧 honour请问选哪个?为什么?honour She studied very hard and won top honours at her school A good marks B.good name C.high regard 请问选哪个?为什么? I am five ____ now(A.foot tall. B.foot high C.feet tall D.feet high)选哪个?解释一下! is dangerous _a car at such a high speed.A.to drive B.to driving C.driving D.to be driving请问选哪个及理由,我也认为选a ,究竟该选哪个?为什么? I can't pay as he asked for.A.a as high price B.as a high price C.as high price D.as high a price 选哪个解释下 请问美国St.Francis High School 圣弗朗西斯惠顿高中,St.Francis High School 弗朗西斯高中哪个好? 请问这个题目选哪个啊? 请问这个题选哪个选项? Yao Ming is 2.26 meters ____ A.tall B.high选哪个呢 Yet we may grudge _____ a surgeon for offering ...a) a high fee we had paidb) the high fee we would pay 选哪个,.. 英语词汇（A） It's high time that such a practice __ an end to.这个到底选哪个呀?现在迷糊了~A.was put B.is put C.should put D.must be put -the high school entrance examination is coming.we can't start to prepare for it_soon.-you're right.A.too B.very C.quite D.as请问是选哪个?其他三个为什么不能选? .---- “____ is the temperature today?” ----“It’s 38 degrees.”请问答案是哪个?A.Which B.How C.How hot D.How high