皮皮学，免费搜题
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【单选题】
某药材呈卷筒状或双卷筒状,近根部的一端展开如喇叭口,表面灰棕色,粗糙,刮去粗棕色,内表面紫棕色,划之显油痕。质坚硬,断面颗粒性,有的可见星。此药为A.
厚朴
B.
牡丹皮
C.
肉桂
D.
杜仲
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反馈参考答案：
举一反三
【单选题】Passage 2 Questions 19 to 22 are based on the passage you have just heard.
A.
Talking about a book.
B.
Traveling with a book.
C.
Listening to an audio book.
D.
Recommending a book to friends.
【单选题】Passage 2 The Responsibility of Care Questions 19 to 21 are based on the passage you have just heard. 19.
A.
To solve life’s great mysteries.
B.
To rediscover ourselves.
C.
To figure out our past mistakes.
D.
As a guide to improve the future.
【简答题】Passage 2 Questions 19 to 22 are based on the passage you have just heard
【单选题】Passage 2 Questions 19 to 22 are based on the passage you have just heard.
A.
Enable the heart to beat much faster.
B.
Find out the reason for ageing.
C.
Exercise regularly to keep their heart healthy.
D.
Prevent cells from being lost.
【单选题】Passage 2 Questions 19 to 22 are based on the passage you have just heard.
A.
The reason why ageing takes a greaterloss on the male heart has been found out.
B.
Scientists have yet to find out why the male heart loses more ofthe cells.
C.
The team has done something to prevent the male from sufferingthe greater loss.
D.
Women over 70 could lose more heart cells than those at the ageof 20.
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