【多选题】She stood motionless at the end of the diving board,her hands at her sides, her heels slightly raised,every muscle anticipating action. 对该句中独立结构的理解正确的有:
A.
her hands at her sides是无动词分句独立结构
B.
her heels slightly raised是--ed分词分句独立结构
C.
every muscle anticipating action是--ing分词分句独立结构
【多选题】She stood motionless at the end of the diving board , her hands at her sides, her heels slightly raised,every muscle anticipating action. 对该句中独立结构的理解正确的有:
A.
her hands at her sides 是无动词分句独立结构
B.
her heels slightly raised 是 --ed 分词分句独立结构
C.
every muscle anticipated action 是 --ing 分词分句独立结构
【单选题】Clemmensen还原使用的还原剂为 ( )。
【简答题】多色蜡染一般都是在蓝色染成后,请列出常用的涂色染料?
【多选题】A regression equation Y = a + bX is used to forecast the value of Y for a given value of X. Which of the following increase the reliability of the forecast?
A.
A correlation coefficient numerically close to 1
B.
Working to a higher number of decimal places of accuracy
C.
Forecasting for values of X outside the range of those used in the sample
D.
A large sample is used to calculate the regression equation