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【单选题】
下列脑脊液（CSF）检查结果能提示患者患结核性或病毒性脑膜炎的是：（）A.
白细胞计数降低，单核细胞升高
B.
白细胞计数升高，中性粒细胞升高
C.
白细胞计数升高，嗜酸性白细胞升高
D.
白细胞计数升高，分类时淋巴细胞升高
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【简答题】Basic four operations within a computer ______ .
【单选题】Which of the following results in increasing basic earnings per share?
A.
Paying more than book (carrying) value to retire outstanding bonds.
B.
Issuing cumulative preferred stock.
C.
Purchasing treasury stock.
D.
All of these answer choices increase basic earnings per share.
【简答题】There are three basic operations of logical algebra ________ 、________ 、_________ 。
【多选题】The two basic operations at the DPSK transmitter are ____________.
A.
differential encoding
B.
unipolar nonreturn-to-zero (NRZ) encoding
C.
phase-shift keying
D.
frequency-shift keying
【单选题】As per the standing orders，you should carry out all the following operations except ______ upon having received words that a person has fallen overboard.
A.
call the Master immediately
B.
stop the engines
C.
sound the “Man Overboard” signal of 3 prolonged blasts on the whistle and 3 prolonged blasts on the general alarm
D.
prepare，as many as possible，rescue facilities，including warm clothes
【多选题】The basic morphological operations include:
A.
dilation
B.
shrinking
C.
opening
D.
erosion
【单选题】根据酒店市场及宾客特点分类,酒店可分为 ________________ 。
A.
全民所有制酒店，中外合资酒店，民营酒店
B.
大型酒店，中型酒店，小型酒店
C.
度假型酒店，长住型酒店，商务型酒店
D.
以上都对
【简答题】What are the basic operations of matrices?
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