皮皮学,免费搜题
登录
搜题
【单选题】
静脉滴注去甲肾上腺素,血压升高的主要机制是 ( )
A.
加强心肌收缩力
B.
增加心率
C.
血管收缩,增加外阻力
D.
加速 血液
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
【单选题】The boy felt so blue yesterday, because he didn’t pass the exam.
A.
funny
B.
pleased
C.
unhappy
D.
satisfied
【单选题】Because of the bad clothes,the boy felt________when he saw his new teacher. [     ]
A.
embarrassing
B.
embarrassed
C.
to embarrass
D.
to be embarrassed
【单选题】The little boy ________the Snoopy doll as soon as he saw it. [     ]
A.
fell on love with
B.
felt on love with
C.
fell in love with
D.
felt in love with
【单选题】The boy did not shoot the deer because ______.
A.
he felt sorry for it
B.
he did not want to hurt it
C.
he did not want to kill it when it was conscious
D.
he did not want to interfere with the laws of the bush
【单选题】The boy felt very _______ and fell _______ as soon as he lay on the bed.
A.
sleepy; sleepy
B.
asleep; asleep
C.
sleepy; asleep
D.
asleep; sleepy
【多选题】下列汉字中,字音的声母为不送气,清,塞音的是()
A.
B.
C.
D.
【多选题】下列汉字中,字音的声母为不送气清塞音的是( )
A.
B.
C.
D.
【单选题】下列声母中,是舌根不送气清塞音的是( )
A.
b
B.
k
C.
j
D.
g
【单选题】184 前法国作家儒勒.贝尔纳写了一部著名的《海底两万里》 , 随着深潜技术的发展 , 我国新华社记者刘诗平乘坐我国的蛟龙号载人深潜器 , 在全球最深的马里亚纳海沟下潜到 4811 米的海底 , 发现海底世界并非荒芜一片 , 不时见到海参、海绵、海星、鱼虾等动物 , 这许多细节 , 都与海底两万里中的描写不谋而合 , 这表明 1 意识活动具有主动创造性能把握事物的本质和规律 2 意识活动能推测未来...
A.
. ①②
B.
. ②④
C.
. ③④
D.
. ①③
【单选题】The boy felt frustrated when he found he had difficulty with most of the math's problems.
A.
proud of himself
B.
discouraged
C.
scared
D.
encouraged
相关题目: