A:To join an English club.
B:To have an English class.
C:To watch an English movie.
青藏高原平均海拔在____以上,号称____,形成的自然特征是____和____.
秦始皇说:“天下共苦战斗不休,以有侯王。赖宗庙,天下初定,又复立国,是树兵也;而求其宁息,岂不难哉!”秦始皇为解决上述问题,“求其宁息”的措施是( )
已知函数f(x)=ax+xlnx(a∈R)
(1)若函数f(x)在区间e,+∞)上为增函数,求a的取值范围;
(2)当a=1且k∈z时,不等式k(x﹣1)<f(x)在x∈(1,+∞)上恒成立,求k的最大值.
What kind of music is Helen's favourite?
选出不同项。
①____A.red B.hat C.white
②____A.pants B.shorts C.potato
③____A.him B.yours C.mine
④____A.shirt B.ship C.skirt
⑤____A.they B.this C.that