【单选题】一Everybody is going to climb the mountain. Can I go too, mum? —__________Wait till you are old enough, dear.
C.
I hope so D.I’m afraid not
【判断题】Michelle is old enough to do activities in New York.
【简答题】某双原子理想气体1mol从始态 350K , 200KPa 经过如下五个不同过程达到各自 的平衡态,求各过程的功。 (1)恒温可逆膨胀到 50kPa ; (2)恒温反抗 50kPa 恒外压不可逆膨胀; (3)恒温向真空膨胀到 50kPa ; (4)绝热反抗 50kPa 恒外压不可逆膨胀。
【单选题】The panda is 20 months old now. She is _____ look after herself. [ ]
【单选题】研究发现,市面上的X饮料的Y成分可以抑制鼻病毒.实验证实,鼻病毒是引发感冒的罪魁祸首.因此,经常喝X饮料的人将减少引发感冒的风险. 以下哪项如果为真,最能削弱上述观点?( )
C.
Y成分可以抑制鼻病毒,也可以对人的免疫系统产生负面作用
【多选题】what would Michelle Wie say to a 15-year-old Michelle Wie?
D.
learn as much as you can
F.
enjoy the experience enjoy the ride
【单选题】According to the passage, Susan Tully is sorry for Michelle because Michelle has to______
B.
catch up on her schoolwork
C.
write many letters every day
D.
work late in the evening
【单选题】Natalie, Michelle and Anthony have to be at school by 8:45 a.m. Michelle is never late for school. On Monday Anthony was late for school. If these statements are true, only one of the sentences below ...
A.
Natalie is sometimes late for school.
B.
Anthony sometimes arrives after Michelle.
C.
Natalie sometimes arrives after Michelle.
D.
Anthony always arrives after Michelle.
【单选题】在卧式铣床上用平口钳装夹铣削垂直面时,下列( )装夹措施对垂直度要求最有效。