导游人员要处理好与领队的关系，正确的做法是()。A.尊重领队，遇事多磋商 B.生活上

下图所示实验操作正确的是[ ]

A．

B．

C．

D．

No matter how  ______，scientists are eager to know more about it by exploring.

A．an ocean may be deep

B．deep may an ocean be

C．deep an ocean may be

D．may an ocean be deep

请你用所给动词的适当形式填空。

小题1:My parents and I _______________ (go) on vacation tomorrow.

小题2:Last weekend our class _______________ (have) fun camping.

小题3:Lisa and Laura _______________ (take) guitar lessons next year.

小题4:Every morning he _______________ (go) to school at around six thirty.

小题5:Finally, _______________ (add) a little salt and pepper in the vegetable soup.

_______we were having at the party!

A．What wonderful time

B．What a wonderful time

C．How wonderful time

D．How a wonderful time

金属烤瓷全冠的合金热膨胀系数（金a）与瓷的热膨胀系数（瓷a）的关系（）

A.金a=瓷a

B.金a<瓷a

C.金a>瓷a

D.AC都对

E.BC都对