The yield gap is the difference between ______ and ______. A: A.Actual yield B: B.Potential yield C: C.Yield potential D: D.Maximum yield

The ________ of a firm's debt can be used as the firm's current cost of debt. A: current yield B: coupon rate C: yield to maturity D: discount yield

Mercury freezes if it is cooled to＿. A: a too low temperature B: too low temperature C: a low too temperature D: too low a temperature

The champion boxer fought bravely to defend his title, but was finally by a knockout blow. A: laid low B: lay low C: lie low D: lying low

I would rather die than______. A: to yield B: B. yield C: yielding D: have yielded

digitalRead(KEY)==LOW语句中lOW表示（ ）。

The aphotic zone (bottom of the ocean) will have ____ and ____ while the photic zone (surface of the ocean) will have ____ and ____. A: low temperature, low salinity; high temperature, high salinity B: low temperature, high salinity; high temperature, low salinity C: high temperature, high salinity; low temperature, low salinity D: high temperature, low salinity; low temperature, high salinity E: both have equal temperature and salinity

ENUM类型的字段level定义为（LOW、MIDDLE、HIGH），ORDER BY level asc的顺序是 A: HIGH、LOW、MIDDLE B: LOW、MIDDLE、HIGH C: MIDDLE、LOW、HIGH D: HIGH、MIDDLE、LOW

Many consumers believe that low fat mean low calorie.

调用以下哪些方法可以使运行状态的线程进入阻塞状态() A: start(),yield(),sleep(),join()和wait() B: start(),yield(),sleep(),join(),wait()和stop() C: yield(),sleep(),join()和wait() D: yield(),sleep(),join(),wait()和stop()