hard-top convertible ______

Well，it was a hard climb，but the view from the top is _____it.

A student of average _____________ can also become a top student through hard work.

Replacing one of the ropes at the top of the mast gave Emma a very hard time.

Jack would have been a top student in his school at the time, but he ______ hard enough. A: hadn't worked B: should work C: didn't work D: won't work

Convertible has two kinds: one is a hard-top convertible whose roof is made of metal,the other is a soft-top convertible whose roof is made of canvas (see Fig.7-7).

若一个栈以数组A[1...n]存储，初始化栈顶指针为n+1，则下面x元素入栈的正确代码是（ ） A: A[top] = x; top = top - 1; B: A[top] = x; top = top + 1; C: top = top -1; A[top] = x; D: top = top +1; A[top] = x;

?________, and you will be successful.: If you work hard|To work hard|Work hard|Working hard

5、_______ , he couldn’t earn enough to support the family.A. Hard as he worked B. As he worked hard C. As hard he workedD. Hard as did he work A: Hard as he worked As he worked hard As hard he worked B: As he worked hard C: As hard he worked D: Hard as did he work

He ____English. A: works hard for B: hard work for C: works hard at D: hard work at