踏雪寻黑狗 幼苗
共回答了26个问题采纳率:88.5% 举报
1年前
吻雪无痕 幼苗
共回答了18个问题 举报
yjwxl 幼苗
共回答了401个问题 举报
回答问题
一个英语语法问题The trade of silk roads played an important role in
1年前4个回答
怎么句型转换用英语回答怎么说was she happy to know the news(作否定回答) i played
1年前3个回答
i had never had played xxxx
1年前1个回答
anna,played,talent show,piano连词成句
英语!改疑问句和否定句these basketball players have played 15 matches s
1年前2个回答
这三句话有没有语病.She was played the games very night.She would not
1.we played football and volleyball yesterday(用now替换yesterda
帮我看看这篇英语作文有什么错误I went to the playground and played basketbal
___ with fire is dangerous.A.play B.playing C.played D.To pl
European football is played in 80 countries, ________it the
英语选词题,7.We (studyed /studied) for two hours.8.They (played /
Football is played in more than 80 countries,
改变play的时态填空He ( )(play)the ball every day.是填played还是plays?
翻译英语9he played with teams in england spain america and italy
The blind man played ________ violin wonderfully.
As one of the world's best players,he played in the 1990,199
he played for some times 这句合法吗 注意是some times 不管意思 就说次数前面能不能加
she played some (m?)games with the students.
They played table tennis in the sports hall.对划线部分提问
单句改错 We played the tennis together yesterday afternoon.A B C
你能帮帮他们吗
化学方程式计算向8g氧化铜粉末中加入100g稀硫酸,恰好完全反应,求(1)生成硫酸铜的质量(2)原稀硫酸的溶质质量分数(
The word “KEY” has “K” and “E”.
气温和气压有什么关系?他们是一一对应的吗.是气压高了,气温就一定会高吗?一个地区(小范围的地区),之前被低压控制,后面被
小明的作文截然不同(修改病句)
骄傲与荣耀在使用上的区别!请中文高手解答~
精彩回答
下列关于激素的说法,不正确的是( ) A.激素是内分泌腺分泌的特殊物质 B.激素在血液里含量极少 C.激素是人体各种腺体分泌的特殊物质 D.激素对人体生理活动有重要的调节作用
下列说法可以实现的是 [ ] ①酸性氧化物均能与碱发生反应 ②弱酸溶液与强酸盐溶液反应可以生成强酸 ③发生复分解反应,但产物既没有水生成,也没有沉淀和气体生成 ④两种酸溶液充分反应后,所得溶液呈中性 ⑤有单质参加反应,但该反应不是氧化还原反应
磁场只有能量,磁场中单位体积所具有的能量叫做能量密度,其值为B2/2μ.式中B是磁感应强度,μ是磁导率.在空气中μ为一已知常数.为了近似测得条磁铁磁极端面附近的磁感强度B,一学生用一根端面面积为A的条形磁铁吸住一相同面积的铁片P,再用力将铁片与磁铁拉开一段微小距离△l,并测出拉力F,如图所示.因为F所作的功等于间隙中磁场的能量,所以由此可得磁感强度B与F、A之间的关系为B=______.
漂流是旅游者所热衷的项目。当漂流者坐在橡皮筏内顺流而下时,以橡皮筏为参照物,他们是_______。漂流的人常常被水打湿衣裤,经风一吹感到有些冷,这是因为___________所致。
2.3g的某有机物A完全燃烧后,生成0.1mol的二氧化碳和2.7mol的水,测得该化合物的蒸气与氢气的相对密度是23,求该化合物的分子式