皮皮学，免费搜题
登录
搜题
【判断题】
被子植物生活史中的两个阶段,二倍体占据整个生活史的优势,单倍体只是附属在二倍体上生存,这是被子植物和裸子植物生活史的共同特点。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】局限在西部非洲艾滋病流行的病原体是
【单选题】男性，70岁。清晨醒后发现左侧肢体活动不能，急送医院诊断为脑血栓形成。下列哪项处理是错误的？
A.
保持呼吸道通畅
B.
降颅压，治疗脑水肿
C.
抗凝治疗
D.
自由基清除剂
E.
静脉滴注止血药物
【单选题】下列哪项不是臭氧的抗感染机制（）
A.
臭氧能拮抗炎症因子的释放、扩张血管、改善血流、减轻局部的渗出、水肿而发挥抗感染作用
B.
同时臭氧能抑制前列腺素、缓激肽及致痛复合物的合成与释放，中和白介素可溶性受体
C.
抑制干扰素，肿瘤坏死因子释放，增加81转移因子的释放
D.
臭氧能通过提高局部氧浓度发挥抗感染作用
E.
氧自由基在外周和脊髓均有致痛作用，而自由基清除剂如SOD、维生素E则可拮抗此致痛作用
【单选题】Germany could have avoided the high inflation that it experienced in the 1920s by _____.
A.
not directing so many of its resources toward preparation for World War II.
B.
not increasing taxes so much on the German middle class.
C.
not allowing the quantity of money to increase so rapidly.
D.
using government policies to stimulate the economy more so than what was done.
【单选题】Which of the following could lead to moderate inflation?
A.
a negative supply shock
B.
a drop in consumer confidence
C.
a contractionary fiscal policy
D.
the pursuit of a balanced budget during an expansion
【单选题】The price could _______ again quite soon because of inflation (通货膨胀).
A.
set up
B.
rise up
C.
get up
D.
go up
【单选题】The phrase 'susceptible to' in Para. 2 could best be replaced by' ______'.
A.
aware of
B.
affected by
C.
accustomed
D.
prone to
相关题目：