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【单选题】
肺型P波心电图的特点()A.
P波增宽，时间>0.11秒
B.
P波高而尖
C.
P波有明显切迹，双峰距≥0.04秒
D.
P-R间期>0.20秒
E.
P波振幅≥ 0.4mv
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【单选题】---Kate won the drawing competition yesterday. It was so cool! ---- Yes. She spend all her free time _____ drawing.
A.
keep on
B.
keep practicing
C.
in keeping on
D.
on keeping practicing
【单选题】根据反垄断法律制度的规定，对于经营者从事的下列滥用市场支配地位的行为，反垄断执法机构进行违法性认定时，无需考虑行为是否有正当理由的是（ ）。
A.
以不公平的高价销售商品
B.
拒绝与交易相对人进行交易
C.
限定交易相对人只能与其进行交易
D.
搭售商品
【单选题】Kate won the _______ race in the summer sports meeting.
A.
100-metre
B.
100-metres
C.
100 metre
D.
100 metre’s
【单选题】well, Well, I' ll tell you this, Kate: they won' t crack the American market
A.
they will be successful in the American Market
B.
they won't be successful in the American market
【单选题】Kate won't leave the TV set ______ her supper's on the table.
A.
as if
B.
even though
C.
provided that
D.
in case
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