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【简答题】
既替纕兮,又以揽茝。亦余心之所善兮,____。
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【单选题】The biggest barrier to sounding the alarm about bird flu is that people usually take flu seriously.
A.
Y
B.
N
C.
NG
【单选题】It has been discovered that______.
A.
H5N1 does not transmit among human beings
B.
bird flu spreads only among birds
C.
H5N1 is a variant of flu virus
D.
bird flu adapts easily to other species
【单选题】A new kind of drug ___ ___ to cure H7N9 bird flu by the scientists and they are hopeful that they will succeed in a couple of weeks.
A.
has been developed
B.
is being developed
C.
is developing
D.
has developed
【简答题】根据临床型、流行病学、发病机理及O：H血清型、质粒编码的毒力特性、与肠粘膜的相互作用和产生肠毒素或细胞毒素型别的不同，大肠杆菌可以分为 （）、（）、（）、（）、（）五种。
【简答题】A H5N1 avian influenza, known commonly as bird flu, has killed at least 15 people across Asia and was confirmed in China on January 27. No human cases have been found in the mainland, but 13 of the co...
【简答题】阅读下面一首唐诗。完成5——6题。 登岳阳楼 杜甫 昔闻洞庭水，今上岳阳楼。吴楚东南坼，乾坤日夜浮。 亲朋无一字，老病有孤舟。戎马关山北，凭轩涕泗流。 “乾坤日夜浮”一句中的“浮”字，表现了洞庭湖什么特点? 答： 阅读全诗，概括“凭轩涕泗流”一句蕴含了哪些情感。 答：
【简答题】编码细菌耐药性的质粒为A.致育性质粒 B.Col质粒 C.R质粒 D.Vi质粒 E.M质粒 编码有性生殖的质粒为A.致育性质粒 B.Col质粒 C.R质粒 D.Vi质粒 E.M质粒 编码细菌毒力的质粒为A.致育性质粒 B.Col质粒 C.R质粒 D.Vi质粒 E.M质粒 编码大肠杆菌的大肠菌素的质粒为A.致育性质粒 B.Col质粒 C.R质粒 D.Vi质粒 E.M质粒
【简答题】根据临床型、流行病学、发病机理及O:H血清型、质粒编码的毒力特性、与肠粘膜的相互作用和产生肠毒素或细胞毒素型别的不同,大肠杆菌可以分为 、 、 、 和 五种。
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