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【单选题】
下列哪一个是不需要监测血药浓度的药物
A.
B.
茶碱
C.
卡马西平
D.
雷尼替丁
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【单选题】假设你想证明:每一个可以写成k(k+1)(k+2)的整数乘积都能被6整除。如果你想用分情形证明法来证明它,那么你应该用下面哪一个集合?
A.
乘积以3结尾;乘积以6结尾;乘积以9结尾。
B.
当k被3除,余数为0;当k被3除,余数为1;当k被3除,余数为2;
C.
k=3^n,k≠3^n
D.
k是质数,k不是质数。
【单选题】Before taking out the ( ),give the engine at least one complete turn.
A.
steering gear
B.
turning gear
C.
timing gear
【简答题】Turn-taking is a characteristicof ____________.
【简答题】为了探究不同遮光和温度处理对水稻光合作用的影响,研究小组将生长发育状况一致的A品种水稻均分为6组并置于人工气室中培养,1组模拟田间环境(对照组),另5组分别如下表处理(实验组),在维持CO 2 浓度等条件与对照组相同的条件下培养一段时间,测定各组叶片的净光合速率结果如下: (注:A品种水稻光合作用的最适温度为25°C.呼吸作用的最适温度为35°C) (1)某小组研究弱光胁迫水稻光合产物向籽粒转运的...
【判断题】People are bound by the rules of turn-taking in conversation.
A.
正确
B.
错误
【单选题】— How is your sister? — She _______ quite good after the operation, but she is taking a turn for the worse today.
A.
felt
B.
feels
C.
had felt
D.
has been feeling
【单选题】The central government is taking measures to the prices of daily necessities.
A.
put down
B.
turn down
C.
bring down
D.
take down
【单选题】--- Do you know the reason _________ pilots turn off the plane’s lights before taking off? ---The practice is for the passengers to adjust to the dark _________ an emergency.
A.
why; for fear that
B.
for which; in case of
C.
how; for fear of
D.
that; in case
【判断题】I think our fortune is taking a turn for the better.
A.
正确
B.
错误
【单选题】书童儿和玉箫在葡萄架下相会被谁撞见了?
A.
潘金莲
B.
李瓶儿
C.
孟玉楼
D.
小玉
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