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【单选题】
具有a1a1a2a2a3a3a3和b1b1b2b2b3b3b4b4b4b4染色体组成的个体分别称为:( )A.
单体，
B.
三体和四体
C.
三体和双三体
D.
缺体和四体
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皮皮学刷刷变学霸
举一反三
【单选题】Many local authorities realize the need to make ______ for elderly people in their housing programs.
A.
assistance
B.
condition
C.
admittance
D.
provision
【判断题】“Expectoration is prohibited on the vehicle.” is the needless repetition in the sentence.
A.
正确
B.
错误
【判断题】The sentence “Expectoration is prohibited on the vehicle” is concise and direct.
A.
正确
B.
错误
【单选题】Many elderly people are now not used to the ______ of modem living, which they consider is away from the old customs.
A.
tendency
B.
tend
C.
trend
D.
treat
【单选题】Expectoration of blood is called
A.
hematemesis
B.
hemoptysis
C.
anosmia
D.
dysphonia
【单选题】Many elderly people are suffering from the ______ disease, rheumatism, as a consequence of the high humidity there.
A.
acute
B.
cute
C.
slow
D.
chronic
【单选题】Many local authorities realize the need to make ______ for elderly people in their housing programmes.
A.
assistance
B.
condition
C.
admittance
D.
provision
【简答题】cough______ expectoration______ cyanosis______ dyspnea______
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