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【简答题】
If you want to know his telephone number, you may ___________ the telephone directory.
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【简答题】资料显示:镁与饱和碳酸氢钠溶液反应产生大量气体和白色不溶物。某同学设计了如下实验方案并验证产物、探究反应原理。 (1)提出假设 实验I:用砂纸擦去镁条表面氧化膜,将其放入盛有适量滴有酚酞的饱和碳酸氢钠溶液的试管中,迅速反应,产生大量气泡和白色不溶物,溶液由浅红变红。 该同学对反应中产生的白色不溶物做出如下猜测: 猜测1:白色不溶物可能为 。 猜测2:白色不溶物可能为MgCO 3 。 猜测3:白色不...
【判断题】内消旋体和外消旋体都不具有旋光性,但二者本质上是不同的,内消旋体是混合物,外消旋体是纯净物
A.
正确
B.
错误
【单选题】Analyze the following statement, and then choose one of the options that you think is best to use in academic writing:The determination of the presence of tumors has seen the standard screening proced...
A.
To better determine if tumors are present, high-energy techniques are now being incorporated into standard screening procedures.
B.
The determining of the presence of tumors has seen the standard screening procedures incorporation of high-energy techniques.
C.
The determination of tumors has seen the standard screening procedures incorporation of high-energy techniques.
D.
The determination of the presence of tumors has seen the incorporation of high-energy techniques in standard screening procedures.
【判断题】酸式滴定管可盛装酸性、中性和氧化性溶液。
A.
正确
B.
错误
【单选题】The purpose of writing this text is probably to
A.
praise the high technological level of Harvard Medical School.
B.
comfort those patients who have developed coronary heart disease.
C.
introduce a new therapy to cure heart disease.
D.
criticize the traditional bypass surgery.
【单选题】How can we make our gratitude more sincere in the writing of notes of thanks?
A.
Promising to give some gifts or money to the receiver.
B.
Giving the receiver a kiss in the next meeting with the receiver.
C.
Making suitable comments on what the receiver has done for you.
D.
Promising to give a high praise of the receiver  in the QQ Zone(QQ空间),Micro-blog(微博) or Weixin Moments(微信朋友圈)
【判断题】内消旋体是混合物。( )
A.
正确
B.
错误
【判断题】The writing of high-level government documents is usually expected to be informal.
A.
正确
B.
错误
【判断题】内消旋体是混合物。
A.
正确
B.
错误
【单选题】It is in fact correct to say that academic essay writing is of utmost importance in the attainment of a university degree. A high proportion of marks are allocated to the compilation of essay assignme...
A.
Formal, straightforward, clearly written, correct academic style
B.
Informal, like spoken (colloquial) language, incorrect academic style
C.
Too formal, uses too many words, incorrect academic style
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