复发性口腔溃疡（）。

A.复发性口疮

B.智齿冠周炎

C.涎腺炎

D.颞下颌关节紊乱综合征

E.牙周炎

用恰当的介词、连词或aware的恰当词性填空。

1. Also when you set your goals in a particular way you are able to make yourself continuously aware ____

    situations that will bring you nearer to your goal.

2. The principal didn't seem to be aware ____ there should have been so much dispute about the decision.

3. Health officials throughout the world have tried to make people raise ____ about AIDS.

4. Mike seems ____ of the trouble he's causing, otherwise he would stop it.