【单选题】— I put on my scarf and hat. Why? — ________________________ [ ]
A.
Because it's hot outside.
B.
Because it's cold outside.
【单选题】男, 3 岁。体格瘦小,乏力、多汗,活动后气促,哭闹时唇周青紫,胸骨左缘 2~3 肋间闻 3 级收缩期杂音,肺动脉瓣区第二亢进并固定分裂。 X 线示右房,右房扩大。最可能的诊断是 ( )
【简答题】Sociolinguistics is the sub-field of linguistics that studies the relation between ___________ and ___________, between the ________ and ________ of language and the ________ structures.
【简答题】As a ______________ field of the engineering branches, civil engineering can be divided into various sub-disciplines.
【单选题】-- It's very hot outside. ---Why you stay at home?
【简答题】如图所示,碾轮式混砂机,通过碾轮的碾压、揉搓使不同的砂均匀地混合,用于金属铸造车间制作各种砂芯。
【单选题】- Let's play football on the playground. - It's so hot outside. I prefer_______ at home to_______.
【单选题】—Let's play soccer on the playground. —It's very hot outside. I would rather ______ at home than ______ out. [ ]
【单选题】—How’s the weather outside?rn—_______
B.
It’s not very hot in summer.
D.
The weather was very warm.
【单选题】男,3岁。体格瘦小,乏力、多汗,活动后气促,哭闹时唇周青紫,胸骨左缘2~3肋间可闻3级收缩期杂音,肺动脉瓣区第二音亢进并固定分裂。X线示右房、右室扩大。最可能的诊断是