下列表达式哪些是正确的:()A.byte=340;B.Boolean=1;C.long l=-2;D.double=0.9239d;

下列变量定义中合法的是______。 A: short_a=1-1e-1；B．doubleb=1+5e2.5；C．long do=0xfdaL；D．float2_and=1-e-3；

This room is __________________. A: wide as it is long B: as wide as it is long C: as wide as long D: wide as is long

以下能正确定义函数的是（ ）。 A: int fun(long n){ long a; ... return a; } B: long fun(int a){ long a; ... return a; } C: long fun(int n){ long a; ... return a; } D: long fun(long a){ long a; ... return a; }

The team is carrying out research to find out the impact on children of ________their parents. A: long separation on long separation by C. long separation from D. long separation in B: long separation by long separation from D. long separation in C: long separation from long separation in D: long separation in

The pretty woman has _____ hair. A: long brown B: own long C: a long brown D: a brown long

—Was the class long enough —No, it wash't（）enough. A: much too long B: too much long C: quite long D: too long much

It won' t be ______ he comes back. A: long before B: before long C: long after D: long since

The manager promised that he would look into the matter _____. A: before long B: for long C: long before D: so long

It was_________________ that we felt very tired. A: such long journey B: long such journey C: long such a journey D: such a long journey