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【单选题】
无钥匙进入系统的天线共有( )个。其中车内( )个,车外( )个。A.
5，2，3
B.
5，3，2
C.
6，3，3
D.
6，4，4
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】In analyzing a problem we should do all the following except_____.
A.
recognize and define the problem
B.
look for information to make the problem clearer
C.
have suggestions for a possible solution
D.
find a solution by trial or mistake
【简答题】Ⅰ．如图所示是分离混合物时常用的仪器，回答下列问题： （1）写出仪器A、C、E的名称______ （2）分离以下混合物应该主要选用什么仪器？（填字母符号） 食用油和酒精：______ 汽油和水：______ Ⅱ．实验室用固体烧碱配制200mL 0.5mol?L -1 的NaOH溶液． （1）需称量______ g 烧碱，应放在______中称量、溶解． （2）完成此配制实验，除了量筒，烧杯，...
【单选题】Investment in the public sector, such as electricity, irrigation, public services and transport (excluding vehicles, ships and planes) increased by about 10%, although the emphasis moved to the transp...
A.
people saved less
B.
people were wealthy
C.
people consumed less
D.
expenditures on luxuries in creased
【单选题】We should do except ______ when practicing yoga?
A.
empty stomach
B.
warm up arms, legs and spine
C.
stretch much and quickly
D.
concentrate and breath deeply
【多选题】12 糖皮质激素对肾上腺的毒理学机制
A.
由于长期大剂量使用糖皮质激素，反馈性抑制下丘脑-垂体-肾上腺轴，
B.
使垂体产生的ACTH长时间减少
C.
从而导致肾上腺皮质功能丧失，
D.
产生促激素源性萎缩。
【简答题】（1）如图所示是分离混合物时常用的仪器，回答下列问题： ①写出仪器C、E的名称______、______ ②分离以下混合物应该主要选用上述什么仪器？（填一个字母符号） 粗盐和泥沙：______花生油和水：______ ③若向C装置中加入碘水和足量CCl 4 ，充分振荡后静置，会观察到什么现象？______ （2）请根据所提供的试剂和仪器，按要求填空： ①气体发生装置A可用来制取氧气，若用E装置收集...
【简答题】Which of the following is true of Paragraph 2? [A] Public-sector unions are prudent in taking actions. [B] Education is required for public-sector union membership. [C] Labor Party has long been fight...
【单选题】Investment in the public sector, such as electricity, irrigation, public services and transport (excluding vehicles, ships and planes) increased by about 10%, although the emphasis moved to the transp...
A.
people saved less
B.
people were wealthy
C.
people consumed less
D.
expenditures on luxuries increased
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