Bottled water, chewing gun and skin moisturizers are mentioned in Paragraph 5 so as to
A. reveal their impact on people" s habits.
B. show the urgent need of daily necessities.
C. indicate their effect on people" s buying power.
D. manifest the significant role of good habits.
查看答案
The author raises the issue of ethical consideration in cloning in Paragraph 1 in order to
A. identify one of the main issues affecting the cloning controversy today.
B. identify the issues that will not be addressed in the text.
C. draw the reader" s attention to a sensitive issue that bears consideration in the topic of cloning.
D. reveal an area of interest that will be explored later in the text.
In Paragraphs 5 and 6, the author shows his concern that
A. principles are hard to be clearly expressed.
B. the court is giving police less room for action.
C. phones are used to store sensitive information.
D. citizens" privacy is not effectively protected.
CRH2型动车组控制传输部为双重系统，确保系统冗余性。（）
早期胃癌是
A. 只限于粘膜内癌
B. 未侵及肌层的癌
C. 直径在2cm以内的癌
D. 无淋巴结转移的癌
E. 尚未浸润至浆膜层的癌
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