【单选题】【消耗次数：1】
I am not sure whether I can gain any profit from the investment, so I can’t make a(n) ____ tohelp you.
①
exact
②
defined
③
definite
④
sure
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相关题目
【单选题】
I really appreciate ____ to help me, but I am sure that I can manage by myself.
①
you to offer
②
that you offer
③
your offering
④
that you are offering
【单选题】
— I can’t find my mobile phone. I’m sure it’s in this room. — _______. I’ll call you with my phone. When it rings, you can follow the sound.
①
Excuse me.
②
Good luck
③
Don’t worry
④
ok
【单选题】
21. Am I _____ your way? I can move over a bit and make room for you...
①
under
②
in
③
beyond
④
on
【单选题】
With so much I am not sure if Ill have time for the game.
①
do
②
doing
③
did
④
to do
【单选题】
A: Are you ready for the test tomorrow? B: [填空] A: Come on, I am sure you will do well.
①
Why do you ask?
②
No. Im afraid not.
③
Sure, no problem.
④
What about you?
【单选题】
Can I help you with the bag?
①
No, no. I can take it myself
②
Thank you
③
Sorry, you can’t
④
No, I’m all right
【单选题】
I really do not know whether we can succeed, so do
not expect ____.
①
too much of us
②
us too much
③
of us too much
④
us of too much
【单选题】
Sorry, I can’t find the books you asked for.____________
①
Don’t mention it.
②
It’s your fault.
③
Thanks anyway.
④
I won’t forgive you.
【单选题】
16. As I will be away for at least a year, I’d appreciate____ from you now and then so that I can know how everyone is getting along.
①
having heard
②
to hear
③
hearing
④
beingheard
【单选题】
As I will be away for at least a year,Id appreciate________from you now and then so that I can know how everyone is getting along.
①
having heard
②
to hear
③
hearing
④
being heard
随机题目
【单选题】
关于挖土机挖土特点的说法错误的是()
①
正铲挖土机挖土时前进向上，强制切土。
②
反铲挖土机挖土时后退向下，自重切土。
③
拉铲挖土机挖土时后退向下，自重切土。
④
抓铲挖土机挖土时直上直下，自重切土。
【单选题】
关于混凝土泵或泵车位置选择的说法错误的是()
①
力求距离浇筑地点近，使所浇筑的基础结构在布料杆的工作范围内，尽量少移动泵车就能完成浇筑任务
②
多台混凝土泵同时浇筑时，选定的位置要使混凝土泵或泵车间距尽量相等
③
混凝土泵停放地点要有足够的场地，以保证运输商品混凝土的搅拌运输供料方便，最好能提供3台搅拌运输车同时停放和卸
④
停放位置最后接近供水和排水设施，以便于清洗混凝土泵或泵车
【判断题】
单元槽段长度越长，土拱作用越小，槽壁越不稳定。一般一个单元槽段不要超过2~3个挖掘段。此外，单元长度影响挖槽时间，挖槽时间长，使泥浆质量恶化，从而影响槽壁稳定。
①
正确
②
错误
【判断题】
对混凝土浇筑后用塑料薄膜及草袋覆盖，可使混凝土表面封闭，防止混凝土表面脱水产生干缩裂缝；可使混凝土的水化热降温延缓，提高混凝土表面温度，减小混凝土内外计算温差，防止产生过大的温度应力和产生温度裂缝。
①
正确
②
错误