皮皮学，免费搜题
登录
搜题
【单选题】
以下哪种层析方法是利用生物分子与配基之间所具有的专一而又可逆的亲和力,使生物分子分离纯化的:A.
分配层析
B.
亲和层析
C.
吸附层析
D.
离子交换层析
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】I ____ my father ____ and he did so.
A.
advised to stop smoking
B.
tried to persuade to give off smoking
C.
persuaded to give up smoking
D.
suggested to stop to smoke.
【多选题】下列关于钻孔灌注桩施工的说法正确的是()。
A.
钢筋笼制作、运输和吊装过程中应采取适当的加固措施，防止变形
B.
钢筋笼放入泥浆后12h内必须浇筑混凝土
C.
桩顶混凝土浇筑完成后应高出设计标高 0.2-0.5m，确保桩头浮浆层凿除后桩基面混凝土达到设计强度
D.
当气温低于 0℃以下时，浇筑混凝土应采取保温措施，浇筑时混凝土的温度不得低于 5℃
E.
灌注桩的实际浇筑混凝土量不得小于计算体积
【单选题】The father advised her to avoid the mistake made by many couples of marrying for thewrong reasons ________ he found the young man charming and intelligent.
A.
as though
B.
even though
C.
because of
D.
due to
【单选题】Quinones' father advised him to ________.
A.
pursue education
B.
quit school
C.
emigrate to America
D.
follow in his footsteps
【单选题】Father advised me not to say anything until ______at the meeting.
A.
asking
B.
to ask
C.
asked
D.
ask
【单选题】Dave his father ,but his father wouldn’t listen. [ ]
A.
persuaded;out of smoking
B.
advised;out of smoking
C.
tried to persuade;not to smoke
D.
persuaded;not to smoke
【多选题】有关钢筋笼与灌注混凝土施工要点的表述，说法正确的有______。
A.
吊放钢筋笼入孔时，不得碰撞孔壁，就位后应采取加固措施固定钢筋笼的位置
B.
灌注桩采用的水下灌注混凝土宜采用预拌混凝土，其集料粒径不宜大于60mm
C.
灌注桩各工序应连续施工，钢筋笼放入泥浆后4h内必须浇筑混凝土
D.
套管成孔的灌注桩任何一段平均直径与设计直径的比值不得小于1.0
E.
场地为浅水时宜采用筑岛法施工
【简答题】Father advised me not to say anything until ______ at the meeting. A) asking B) to ask C) asked D) ask
【单选题】－Last month Shirley advised her father to buy her brother ________MP4 as a birthday present. －_______ useful advice it was!
A.
a; How
B.
an; What a
C.
an; What
D.
/; How an
相关题目：
参考解析：
知识点：
题目纠错 0
发布
