题库概况
题型分布
- 单选题 1,929
章节目录
样题
以下样题展示题干、选项与正确答案；完整解析在提交作答后返回。
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单选题 第 1 题
He confesses that he has done it.
- A agrees
- B alleges
- C admits
- D answers
正确答案： C
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单选题 第 2 题
I enjoyed the play一it had a clever plot and very funny dialogues.
- A boring
- B humorous
- C original
- D long
正确答案： B
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单选题 第 3 题
Power Napping is Good f the I.Q. Today we hear me me about the imptance of getting enoughsleep—about eight hours a night. Sleep can help heal give energy toboth the body the brain. ____1____ It seems almost certain that the thirdof our live...
- A They allow them to “power nap” in the afternoon, if only f 20 minutes.
- B Losing just one two hours of sleep a night, over a long period oftime, can cause serious health problems.
- C People usually sleep longer in the winter, sometimes as much as 14hours a night.
- D People in power are me intelligent because they take naps.
- E Medical experts now believe that sleep is even me imptant fhealth than diet exercise.
- F That’s why, without enough sleep, a nmally intelligent person may startto have difficulty doing daily tasks.
正确答案： E
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单选题 第 4 题
All houses within 100 meters of the seas are 【at risk】 of flooding.
- A in danger
- B out of control
- C between equals
- D in particular
正确答案： A
常见问题
卫生B一共有多少道题？
本题库共收录 1929 道顶层题（按题库内来源题号去重后统计，案例子题不重复计数）。
卫生B包含哪些题型？
当前题型分布为：单选题 1929。
可以按章节练习吗？
可以。题库划分为 7 个章节，练习页支持按章节及其子章节筛选题目。
答案和解析什么时候可以看到？
提交作答后，判分响应会返回正确答案和已有解析；公开样题会标注标准答案，但不展示完整解析。
练习需要登录吗？
不必须。未登录可免费练习最多 20 道题；登录后可按开通权限不限量练习，并保存进度。付费题库仍需开通后完整练习。