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搜题
【单选题】
能与肥大细胞和嗜碱性粒细胞结合的抗体是:
A.
IgG
B.
IgE
C.
IgA
D.
IgM
E.
IgD
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举一反三
【单选题】Which of the following is a disadvantage of using secondary data?
A.
Gathering secondary data is costly.
B.
Collecting secondary data is time consuming.
C.
Few sources exist for secondary data.
D.
It is not accurate enough.
【单选题】Decide whether the following is primary data or secondary data. Data from a government publication on the toy industry used by a new toy shop to determine which items to stock.
A.
Primary data
B.
Secondary data
【单选题】FR-D720S变频器PID控制中,通过参数P132设定()。
A.
比例系数
B.
PID下限
C.
微分时间
D.
PID上限
【单选题】血糖正常值为(以mg/d1或mmol/L计) ( )
A.
70~110或3.89~6.11
B.
80~140或4.52~7.78
C.
60~70或3.33~3.89
D.
130~140或7.22~7.78
E.
99~112或5.52~6.23
【单选题】( )是评价角质层屏障功能的重要指标。
A.
皮肤含水量测量
B.
TEWL 测量
C.
皮脂分泌测量
D.
皮肤的 PH 测量
【单选题】FR-D720S变频器PID控制中,通过参数P129 设定()。
A.
比例系数
B.
积分时间
C.
微分时间
D.
PID上限
【单选题】Decide whether the following is primary data or secondary data. Results of an election opinion poll published in a newspaper
A.
Primary data
B.
Secondary data
【单选题】( )是评价角质层屏障功能的重要指标。
A.
皮肤含水量测量
B.
TEWL测量
C.
皮脂分泌测量
D.
皮肤的pH测量
【判断题】直埋线路敷设中,大旗位置选择在路由转弯点或高坡点,直线段较长时,中间增补2-3面大旗。
A.
正确
B.
错误
【单选题】Secondary data is:
A.
Data that does not provide any information
B.
Data collected for another purpose
C.
Data collected specifically for the purpose of the survey being undertaken
D.
Data collected by post or telephone, not by personal interview
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