将智力划分为晶体智力和流体智力的心理学家是（ ）。

(单选题)—What shall we buy for Lucy as a present?—Let’s buy a new bi (单选题)—Shall we get together this Saturday or Sunday evening?—____ (单选题)—Did Billy and Anna find a way out at last?—Yes, they ______ (单选题)Steve Jobs was full of ______—always coming up with new idea (单选题)—Are you a fan of the science TV show Super Brain?—Yes, I’m (单选题)—It’s useful for the deaf people to learn sign language.—Yes (单选题)—If is said that the fire in Liangshan ______ at around 8 a. (单选题)Attention, please! The last award will be ______ to the best (单选题)I felt much ______ after I told the problems to my close fri (单选题)Make sure you have prepared everything well before you _____