【判断题】A transformer is an electricl component that converts AC electricity from one voltage to anther with little loss of power.
【判断题】白血病化疗期间应注意多饮水并注意酸化尿液。()
【单选题】What is the function of genetic testing according to this passage?
A.
It helps people know what health problems their parents ever experienced.
B.
It enables people to change those erous genes to better ones.
C.
It reveals possible genetic diseases people may have.
D.
It calls on the public to help people who have bad genes.
【判断题】白血病化疗期间应多饮水,并注意酸化尿液。
【判断题】白血病化疗期间应多饮水,并注意酸化尿液。
【单选题】Identity is determined by genetic () (what is inherited from parents), shaped by environment, and influenced by chance s.
【单选题】What is the author's purpose of writing the passage?
A.
To show the way genetic testing works.
B.
To indicate the relation between genes and Huntington's disease.
C.
To reveal the influence of environmental factors on genes.
D.
To introduce genetic testing and its functions.
【单选题】A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
A.
变压器是一种电气设备,通过电磁感应在两个或多个电路之间传输电能。
B.
变压器是一种电气设备,通过电路能够产生两个或多个电磁感应现象。