皮皮学，免费搜题
登录
搜题
【简答题】
As a working mother, she finds ____ hours very desirable.
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
【简答题】无规聚丙烯在环己烷或甲苯中、30°C时测得的空间位阻参数(即刚性因子)σ=1.76,试计算其等效自由连接链长度b(已知碳—碳键长为0.154nm,键角为109.5°)。
【单选题】Mr. Barret doesn’t think that all bad language should be allowed. In his opinion, there are ______ that should be kept up.
A.
degrees
B.
levels
C.
limits
D.
standards
【单选题】. Because of his excellent work in the company, Mr. Zhou______others’ praise and respect.
A.
permits
B.
accepts
C.
demands
D.
gains
【简答题】无规聚丙烯在环己烷或甲苯中、30℃时测得的空间位阻参数（即刚性因子）δ=1.76，试计算其等效自由连接链长度b（已知碳—碳键长为0.154nm，键角为109.5°）。
【简答题】句型转换。 1. Mr. Zhou usually goes to work by bus . (就划线部分提问) _______ does Mr. Zhou usually_______ to work? 2. He always walks to school. (否定句) He _______ _______to school. 3. Tom is 12. Steve is 13. (合并句...
【简答题】无规聚丙烯在环己烷或甲苯中、30 °C时测得的空间位组参数(即刚性因子)σ=1.76,试计算其等效自由连接链的链段长度b (已知碳-碳键长为0.154 nm,键角为109.5°)
【单选题】--Is the man standing outside the teacher’s office Mr. Zhou? --No, it ______ be him. He has gone to Hong Kong for an academic conference.
A.
mustn’t
B.
can’t
C.
needn’t
D.
couldn’t
相关题目：