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【多选题】
下面的药物中,哪些是现代生物药物类型?A.
A、基因药物
B.
合成与部分合成的生物药物
C.
DNA重组技术制造的基因重组多肽和蛋白质类治疗剂
D.
来自动植物和微生物的天然生物药物
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反馈参考答案：
举一反三
【单选题】下列的叙述中，不正确的是( )。
A.
结构化程序是指主要采取顺序、选择、循环3种基本结构编写的程序
B.
BASIC源程序可在DOS下运行
C.
用机器语言编写的程序可由计算机直接执行，用高级语言编写的程序必须经过编译(或解释)才能执行
D.
计算机病毒也是一种程序，它在某些条件下激活，起干扰破坏作用，并能传染到其他程序中
【单选题】There are three classes of DNS servers, there are ( )
A.
root DNS server, top-level domain DNS server and local DNS server
B.
root DNS server, top-level domain DNS server and authoritative DNS server
C.
root DNS server, local DNS server and authoritative DNS server
D.
root DNS server, local DNS server and top-level domain DNS server
【单选题】已知有字段bir代表出生日期，则求年龄的方法为
A.
year(now())-year(bir)
B.
year(now()-bir)
C.
year(now)-year(bir)
D.
year(now-bir)
【单选题】There used__________a post office at the corner of the street.
A.
to be
B.
to being
C.
to have
D.
to having
【单选题】There were a lot of art ________ buried by the pirates.
A.
tombs
B.
temples
C.
banks
D.
treasures
【单选题】There are__________children in the country school.
A.
two thousand five hundred and sixty
B.
two thousands five hundred and sixty
C.
two thousands five hundreds and si xty
D.
two thousand five hundreds and sixty
【简答题】Read and draw. 1. It's eight o'clock. 2. It's two thirty. 3. The cat is under the chair. 4. The bird is beside the cat.
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