如图所示,物体A和B的质量均为m,且分别用轻绳连接跨过定滑轮(不计绳子与滑轮、滑

题型:多选题

问题:

如图所示,物体A和B的质量均为m,且分别用轻绳连接跨过定滑轮(不计绳子与滑轮、滑轮与轴之间的摩擦).当用水平变力F拉物体B沿水平方向向右做匀速直线运动的过程中(  )

A.物体A也做匀速直线运动

B.绳子拉力始终大于物体A所受的重力

C.物体A的速度小于物体B的速度

D.地面对物体B的支持力逐渐增大

考点:牛顿第二定律
题型:多选题

My sister Daisy worked at Standard Bank in Malawi. When she

got m      , we were all excited. She invited me to her house to          小题1:___________

help her open the gifts and s        some thank-you notes to all         小题2:___________

the _________(亲戚)and friends that came to the wedding party.           小题3:____________

While_________ (仔细地) going through the gifts, we came across this       小题4:___________

nice vase. Inside ______was a note that read, “You might not know me.    小题5:_________

My name is Bill. I often v      Standard Bank for business. In the        小题6: __________

past years you have helped me a lot when I was _______ trouble.           小题7:__________

I will never forget __________ you did. God bless you.”                  小题8:___________

It was impossible for us to w__________ a thank-you note back to       小题9:___________

this person for there was no name or _________( 地址) so we decided to    小题10:____________

题型:多选题

有人建议用AG表示溶液酸度,AG定义为 AG=lg[c(H+)/c(OH-)]。回答下列问题:

(1)25℃时,溶液的AG与其pH之间的关系为AG=        

(2)25℃时,一元弱碱MOH溶液的AG=-8。取20mL该MOH溶液,当与16.2mL 0.05 mol/L硫酸混合时,两者恰好完全中和。求此条件下该一元弱碱的电离平衡常数。

题型:多选题

常用的坡道式停车库的类型有( )。

A.直坡道式停车库

B.螺旋坡道式停车库

C.错层式停车库

D.斜楼板式停车库

E.全坡道式停车库

题型:多选题

对虚劳与肺痨区别有了明确认识的朝代是

A.唐代

B.宋代

C.元代

D.明代

E.清代

题型:多选题

55岁男性患者,半年前在下唇出现 * * 状突起之肿物,以后溃烂翻花如杨梅()。

A.舌菌

B.茧唇

C.失荣

D.乳岩

E.肾岩翻花

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