【单选题】在pH=4~5条件下,测定铜盐中铜的含量所选择的指示剂使是( ).
【单选题】I am going to the passport office ______.
B.
to have my passport stamped
C.
to have stamped my passport
D.
for stamping my passport
【单选题】What is a passport used for?
A.
A passport is a document.
B.
A passport is issued by a national government.
C.
A passport is used for the identity and nationality of its holder.
【单选题】It s required that the students__________the term paper tomorrow.
【简答题】You must apply for a passport ______ if you are obtaining your first U.S. passport, or if your old one is lost or stolen.
【单选题】It is required in the regulations that any student _____ fighting with students who come from other schools should be dismissed. [ ]
【单选题】It is required that anyone applying for a driver ’ s license a set of tests.
【单选题】德国电脑专家正在开发一种新系统,这种系统能利用视觉、语音和触摸技术收集一个人情绪状态的数据,并做出反应。例如,如果电脑感觉到用户情绪激动,它可能会自动让屏幕色彩变得柔和,关闭背景音乐,放大或缩小图形数据,甚至直接表示歉意:这种系统可在用户与电脑互动时感知他们的情感。对这段话概括最准确的一句是:
【单选题】It ’ s required that every new employee _______a name tag.