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【单选题】
花类药材一般采收应在A.
秋、冬季
B.
春末夏初
C.
开花前或果实未成熟时
D.
花蕾期或开时
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举一反三
【简答题】杂交种品种的特点为群体 ____,个体基因型 ____ 。
【判断题】4-12 、从左向右检查所绘剪力图的正误时,可以看出,凡集中力作用处,剪力图发生突变,突变值的大小与方向和集中力相同,若集中力向上,则剪力图向上突变,突变值为集中力大小。
A.
正确
B.
错误
【简答题】填空 1. G was once much used for lighting and is now used for cooking and heating. 2. Modern life depends on good t . 3. Eating too much c is bad for your teeth. 4. We should learn much more history k ....
【简答题】填空 1. My brother used to ( take) part in the basketball match. 2. Many people arc used ( walk) after supper. 3. The teacher made every student ( answer) the questions to the front. 4. Don't give up _ ...
【简答题】句型转换。 1. I used to be afraid of flying in an airplane. (改为同义句) I used to be afraid ___________ in an airplane. 2. I don't know how I can swim well. (改为简单句) I don't know ___________ well. 3. It seems t...
【单选题】在会议室的空间布局中,会议桌与座位以外四周的流通空间要安排合理。根据人体工程学的原理,从会议桌边到墙面或者其他障碍物之间的最小距离应为多少mm,该尺度是与会者进入座位就坐和离开座位通行的必备流通空间。
A.
1221
B.
1220
C.
1222
D.
1225
【简答题】填空 1. He studies English as____ (careful) as he used to. 2. I used to____ (be) unhappy. 3. She used___ (listen) to the music after finishing her homework. 4. I hate to play football. But I enjoy_ _(wa...
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