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【单选题】
我国规定的传染病管理报告制度中下列哪项是不正确的
A.
法定传染病分3类35种
B.
甲类2种
C.
乙类22种
D.
丙类11种
E.
天花属于甲类管理传染病
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【单选题】数据传输速率通常以( )为单位进行表示
A.
B.
字节
C.
赫兹
D.
以上均不是
【单选题】双子叶植物根的增粗是由于形成层和( )共同活动的结果
A.
原生分生组织
B.
初生分生组织
C.
木栓形成层
D.
保护组织
【单选题】双子叶植物根的增粗是由于形成层和( )共同活动的结果。
A.
根尖分生组织
B.
居间分生组织
C.
木栓形成层
D.
顶端分生组织
【单选题】数据传输速率通常以( )为单位进行表示
A.
B.
字节
C.
赫兹
D.
以上都不是
【多选题】双子叶植物木栓形成层的活动结果是形成( )。
A.
木栓层
B.
栓内层
C.
次生木质部
D.
次生韧皮部
【多选题】双子叶植物木栓形成层的活动结果是形成( )。
A.
木栓层
B.
栓内层
C.
次生韧皮部
D.
次生木质部
【单选题】Part A Directions: Read the following four texts. Answer the questions below each text by choosing A, B, C or D . Mark your answers on ANSWER SHEET 1. For centuries, explorers have risked their lives ...
A.
to display their country's military might
B.
to accomplish some significant science
C.
to find new areas for colonization
D.
to pursue commercial and state interests
【单选题】双子叶植物根的增粗是由于形成层和()共同活动的结果。
A.
根尖分生组织
B.
木栓形成层
C.
初生分生组织
D.
次生分生组织
【单选题】Part A Directions: Read the following three texts. Answer the questions on each text by choosing A, B, C or D. Mark your answers on ANSWER SHEET 1. As my train was not due to leave for another hour, I...
A.
to claim his suitcase
B.
to pay at the luggage office
C.
to prove that he had paid at the luggage office
D.
to prove that he had bought the suitcase
【单选题】Part A Directions: Read the following four texts. Answer the questions below each text by choosing A, B, C or D. (40 points) After the terrorist attacks in America last September, terrorist risk becam...
A.
insurance companies increased premiums.
B.
airlines seek to avoid legal liabilities.
C.
terrorist attacks left insurers panicked.
D.
terrorist risk is unlikely to be insured.
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