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【判断题】
抽水蓄能电站是利用江河水流的水能生产电能的工厂。()
A.
正确
B.
错误
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举一反三
【多选题】男性内生殖器的附属腺包括
A.
睾丸
B.
精囊腺
C.
附睾
D.
前列腺
E.
尿道球腺
【单选题】已知函数 f(x)=sin(2x+ 3π 2 ) ,下面结论错误的是(  )
A.
函数f(x)的最小正周期为π
B.
函数f(x)是偶函数
C.
函数f(x)的图象关于直线 x= π 4 对称
D.
函数f(x)在区间[0, π 2 ]上是增函数
【多选题】女性,78岁,腰背疼痛3年。加重10天,伴乏力,有时全身疼痛,晚间亦疼痛,轻度影响睡眠。10天前,按摩后腰背疼痛加重,严重影响睡眠。查体:老年女性。“驼背”,胸腰椎多处叩击痛(+),椎旁压痛(±),双上下肢无异常,X线示T 12 陈旧性压缩骨折。既往高血压病史20年,否认糖尿病病史。有关骨质疏松,以下论述正确的是()。
A.
部分老年人对疼痛敏感性差,嵌插型股骨颈骨折甚至还能步行,容易造成漏诊和误诊
B.
骨质疏松患者中骨折的患病率约为20%
C.
一旦发生骨折,骨折部位的疼痛、畸形及功能障碍等症状和体征都会出现
D.
骨折常是骨质疏松患者的首发症状或首诊原因
E.
椎体发生楔形变或多个椎体的压缩骨折,致身高变矮或驼背畸形
F.
骨质疏松患者中,90%以上患者无疼痛,一旦发生骨折常常导致疼痛或疼痛加重
【单选题】已知函数f(x)=1+cos2x-2sin 2 (x- ),其中x∈R,则下列结论中正确的是 [     ]
A.
f(x)的最大值为2
B.
将函数y= sin2x的图象左移 个单位得到函数f(x)的图象
C.
f(x)是最小正周期为π的偶函数
D.
f(x)的一条对称轴是x=
【多选题】男性内生殖器的附属腺包括
A.
精囊腺
B.
附睾
C.
前列腺
D.
尿道球腺
E.
睾丸
【单选题】下列句子中,哪一句表达的不是因果关系
A.
Peter and Mark went to the park yesterday. They had barbecue there.
B.
Footsteps echoed down the empty path toward Mary, and she was afraid.
C.
John has a Vitamin C deficiency. He has a skin disease.
D.
Bob was very sleepy. He sat nodding in his car.
【简答题】根据中文提示完成句子,将所缺少的内容写在相应的横线上。 1. 汤姆的父母说在孩子上中学时除了学习他们什么都不用担心. Tom's parents said except st udy when their child was in the middle school. 2. 在他们看来,摇滚乐能使他们兴奋,所以如果他们困时,常听摇滚乐. ,rock music so they often list...
【单选题】已知函数 f(x)= 3 sin2x+cos2x ,下面结论错误的是(  )
A.
函数f(x)的最小正常周期为π
B.
函数f(x)可由g(x)=2sin2x向左平移 π 6 个单位得到
C.
函数f(x)的图象关于直线 x= π 6 对称
D.
函数f(x)在区间[0, π 6 ]上是增函数
【简答题】阅读理解。 A man and his wife had a small restaurant near a train station. The restaurant often stayed open until after midnight, because people came to drink and have meals while they were waiting for tra...
【简答题】完形填空。 A man and his wife had a small restaurant near a station. The restaurant often stayed open __ 1 __ midnight, because people came to drink and have meals __ 2 __ they were waiting for trains. At ...
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