【单选题】Exercise 1 Listen to the passage and choose the right answers to the questions you hear. 1.
A.
Causes of left-handedness and right-handedness.
B.
Two scientific explanations of the cause of left-handedness.
C.
Genes for left-handedness.
D.
Mental problems of left-handed people.
【单选题】下列不属于管理信息系统(MIS)功能的是()
【判断题】对差动保护来说变压器两侧的差动Cr应接成星型。
【单选题】下列说法错误的是()。
A.
砌筑砂浆的技术性质包括和易性、砂浆强度、粘结力。
【单选题】某公司的职工在三亚旅游时,主动把吃剩的瓜子壳、果皮等收拾干净,放到垃圾箱里。他们的这种行为是( )
【单选题】社交中见面交换名片已经成为一个惯例。其实,交换名片也要注意正确的礼仪。下列说法中错误的是( )。
【单选题】Exercise 1 Listen to the recording and choose the right answers to the questions you hear. 1.
A.
The enduring popularity of the drug aspirin.
B.
The effectiveness of the drug aspirin against diseases.
C.
The development of aspirin from powder to tablet.
D.
How Felix Hoffmann discovered aspirin.
【简答题】对差动保护来说变压器两侧的差动电流互感器均应接成星型。()