【单选题】How do you spell pen? ________. [ ]
【单选题】输液过程中出现严重呼吸困难,双肺听诊有明显的湿啰音,可考虑发生
【简答题】A.this B.that C.which D.it
【简答题】A.this B.that C.anything D.nothing
【单选题】葡萄胎、侵蚀性葡萄胎、绒癌的共有临床表现为()。
【单选题】In the first sentence, 'to become commercially available' means ______.
A.
this procedure is available only on the market
B.
this procedure can be used in producing better farm animals
C.
This procedure can be used to promote business
D.
People such as farmers can use this procedure in their production