皮皮学,免费搜题
登录
搜题
【单选题】
Which of the following manner is not the right manner of an effective speech?
A.
Change your emotion
B.
Using your voice and body to attract the audience
C.
Twisting your body in a dramatic way
D.
Staring at your feet
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】---What do you think worries him so much?     ----____.
A.
He didn’t pass the exam
B.
His father is seriously ill
C.
Lost his bike
D.
What Jim said just now
【简答题】七选五 There is an English saying:“ ___ 小题1: .__ .” Until recently, few people took the saying seriously. Now, however, doctors have begun to look into laughter and the effects it has on the human body. ...
【单选题】Complaints should be made to a(an) ______ person, who will deal with your problem seriously.
A.
troublesome
B.
enthusiastic
C.
responsible
D.
passive
【单选题】下列有关溶液的说法不正确的是(  )
A.
均一、稳定的液体一定是溶液
B.
饱和溶液也可能是稀溶液
C.
饱和溶液析出晶体后,溶质质量分数可能不变
D.
溶液中的溶质可能是多种
【单选题】有关溶液、溶质和溶剂的叙述正确的是
A.
溶液有可能是纯净物
B.
一种溶质的饱和溶液将不能再溶解其他溶质
C.
溶液的质量一定等于溶质和溶剂的质量之和
D.
水是一种非常常用的溶剂,因此任何溶液都是水作溶剂
【单选题】基本农田保护区划定的原则中,与国民经济及社会发展中长期计划和规划相适应,规划年限一般应在( )年以上。
A.
3
B.
5
C.
8
D.
10
【单选题】The underlined word' burnout' (Para. 5) here refers to the state of______.
A.
being seriously burnt in the skin.
B.
being unable to burn for lack of fuel
C.
being badly damaged by fire
D.
being unable to function because of excessive use
【多选题】使用逻辑“与”运算符可以达到的效果包括( )
A.
缩小检索范围
B.
增强查找的专指性
C.
提高查准率
D.
提高查全率
【单选题】某溶液降低温度后有晶体析出,则原溶液(  )
A.
一定是饱和溶液
B.
一定不是饱和溶液
C.
可能是饱和溶液,也可能是不饱和溶液
D.
一定是浓溶液
【简答题】下列有关溶液的说法不正确的是(  ) A.溶液一定是均一、稳定的混合物 B.饱和溶液可能是稀溶液 C.饱和溶液析出晶体后溶质质量分数一定会变小 D.溶液中的溶剂只能是一种
相关题目: